labialadj.n.

Brit.

/ˈleɪbɪəl/, U.S.

/ˈleɪbiəl/

Forms: 1500s–1600s labiall, 1600s– labial.

Origin: A borrowing from Latin. Etymon: Latin labialis.

Etymology: < post-classical Latin labialis (of speech sounds) articulated with the lips (1534 or earlier; in early use frequently in treatises on Hebrew grammar), forming the lip or rim of a vessel (1551 or earlier) < classical Latin labium lip (see labium n.) + -ālis -al suffix¹; the specific use of the post-classical Latin word in phonetics is after post-biblical Hebrew šĕpāṯī, lit. ‘of or relating to the lips’, itself after Arabic šafawī , šafahī in the same sense ( < šafa lip + -ī -i suffix²).Compare Middle French, French labial (1580 in phonetics; other senses are not paralleled until considerably later than in English), Spanish labial (1586 in the passage translated in quot. 1590 at sense A. 1; earliest in phonetics). Specific senses. In sense A. 4 after labium n. In sense A. 5 probably after German Labial- (1811 or earlier in this sense, in Labialpfeife ); compare later labium n. 6.

A. adj.

1. Phonetics. Of a speech sound: that is articulated with both lips (cf. bilabial adj. 2) or with one lip and the teeth (cf. labiodental adj.); (also) that involves in its articulation rounding or complete or partial closure of the lips, as a secondary articulatory feature (cf. labialized adj.). Also (of a letter or symbol): representing such a sound.Examples of labial consonants include (with bilabial articulation) /p/, /b/, /m/, and (with labiodental articulation) /f/, /v/.

ΘΚΠ

the mind > language > linguistics > study of speech sound > speech sound > speech sound by place or organ > [adjective] > labial

labial1590

labialized1856

bilabial1894

1590 J. Thorius tr. A. del Corro Spanish Grammer 2 The perfect pronunciation of this letter is, ioyning both the lips together. And so the Hebrues call it..the labiall Letter [Sp. letra labial].

1594 T. Bowes tr. P. de la Primaudaye French Acad. II. 87 The Hebrewes name their letters, some gutturall..: others dentall..and so they call others, labiall, that is letters of the lips.

c1620 A. Hume Of Orthogr. Britan Tongue (1870) i. vii. §8 I beginning to lay my grundes of labial, dental, and guttural soundes and symboles.

1668 Bp. J. Wilkins Ess. Real Char. iii. xiv. 379 The Vowels, as they are distinguished into Labial; being framed by an emission of the Breath through the Lips [etc.].

1711 J. Greenwood Ess. Pract. Eng. Gram. 286 Guttural, Palatine and Labial sounds.

1749 Philos. Trans. 1748 (Royal Soc.) 45 405 The labial and labio-dental Consonants.

1844 T. H. Key Alphabet 25 In the Sanskrit alphabet, the series of guttural, palatal, lingual, dental, and labial consonants, have an n belonging to each class.

1865 E. B. Tylor Res. Early Hist. Mankind iv. 73 Words containing labial and dental letters.

1914 L. Spence Myths of N. Amer. Indians i. 12 The rejection of labial explodents, which extends from Northern Asia through the speech of the Aleutian Islands to North-western America.

1964 Language 40 79 When BI occurs with the plural clitic -h it is reduced to a labial component of a complex phoneme.

1991 Canad. Jrnl. Linguistics 36 398 An English Morpheme Structure Constraint which prohibits identical labial or velar consonants on either side of a vowel in sCVC morphemes.

2014 R. Hickey Sound Struct. Mod. Irish ii. i. 149 There has been a merger in all environments except before velar stops and labial fricatives.

a. Relating to or involving the lips; (hence) involving speech, verbal.

ΘΚΠ

the world > life > the body > external parts of body > head > face > mouth > [adjective] > lip or lips

lipped1377

labial1602

labiolingual1865

1602 A. Copley Another Let. to Dis-iesuited Kinseman 27 The Authors whereof in generall are all the whole Iesuiticall faction at this day in England as for labiall slander of the partie detracted.

1650 J. Bulwer Anthropometamorphosis xi. 107 Lip-Gallantry, or certain labial Fashions invented by diverse Nations.

1761 J. Robson First Bk. Psalms of David xix. 66 My labial prayer and my interior sighs Shall so to thee as sacred offerings rise.

1786 E. McGauran Mem. I. ix. 87 It became necessary that I should wear whiskers... Indeed the greatest part of the German troops make use of this labial decoration.

1837 F. Marryat Snarleyyow (ed. 2) I. xix. 275 The olfactory examination was favourable, so he put his mouth to it—the labial essay still more so.

1867 J. Ingelow Lily & Lute ii. 108 More than I can make you view, With my paintings labial.

1913 E. Wharton Custom of Country xviii. 263 Mr. Spragg said no more, but resorted to the soothing labial motion of revolving his phantom toothpick.

2000 W. Cabri & R. Di Fabio From Bench to Market viii. 169 Herpes simplex types 1 (HSV-1) and 2 (HSV-2) responsible for labial herpes and genital herpes, respectively.

2014 Jerusalem Post (Nexis) 4 July 6 An obscure, and hefty, work on the topic of labial encounters.

b. Designating anatomical structures forming part of the lips.

ΘΚΠ

the world > animals > animal body > general parts > head and neck > [adjective] > of the lip > of the nature of a lip

labial1656

labiose1832

labiate1842

1656 T. Blount Glossographia at Vein Labial veins, the lip veines, whereof there are two on each inner side, both of the upper and under lip.

1722 J. Quincy Lexicon Physico-medicum (ed. 2) 227 Labial Glands.

1858 A. H. Clough Amours de Voyage in Atlantic Monthly Mar. 539 The labial muscles, that swelled with Vehement evolution of yesterday Marseillaises.

1976 Arch. Dermatol. 112 1235 The mucoserous glands of the labial mucosa are richly innervated.

2015 M. S. See et al. in Plastic & Reconstructive Surg. xxxi. 377/2 The anatomy of the labial arteries can be variable.

c. Chiefly Dentistry. Designating the side or surface of a (front) tooth that is located next to the lips; of, relating to, or located on this side. Contrasted with lingual adj. 2c.

ΚΠ

1841 Amer. Jrnl. Dental Sci. Sept. 77 They [sc. teeth] are generally first attacked on their lateral surfaces and in their indentations, but neither their labial faces nor most prominent points are exempt from the disease.

1916 M. Dewey Dental Anat. ii. 44 The incisal edge of the central incisor is formed by the junction of the lingual and labial surfaces of the tooth.

1991 Dental Pract. 5 Sept. 5/2 The post-operative results indicate that some 3 mm of increased labial crown height has been gained.

2007 A. Albino in Z. Gasparini et al. Patagonian Mesozoic Reptiles iv. 89 Teeth closely packed, with imbricate labial and lingual flanges.

3. Zoology. Of, relating to, or located on the mouthparts of various invertebrates; esp. of, relating to, or located on the labium (labium n. 5) of the mouth of an insect or other arthropod.labial palp: see Compounds 2.

ΚΠ

1818 Trans. Amer. Philos. Soc. 1 405 Maxillæ with two very distinct palpi, of which the exterior one, is nearly equal to the labial palpi.

1854 S. P. Woodward Man. Mollusca ii. 211 The lips and labial tentacles of the ordinary bivalves.

1877 Geol. Mag. 4 205 No calcified support for the labial appendages [in the brachiopod family Lingulidae].

1925 Trans. Amer. Microsc. Soc. 44 173 The complex membrane-fringed labial and cephalic organs of [Acrobeles] serricornis.

1961 J. L. Cloudsley-Thompson & J. Sankey Land Invertebr. ii. 29 Amphids (sensory organs) labial in position, pore-like.

2006 J. T. Costa Other Insect Societies viii. 195 Psocopteran silk is produced by modified labial glands.

4. Of, relating to, or involving the labia of the vulva (see labium n. 2).

ΚΠ

1828 Lancet 13 Sept. 739/1 In young infants, the nymphæ, or labia pudendi, are occasionally coherent; the labial cohesion being easily discriminated.

1876 T. Bryant Pract. Surg. (ed. 2) II. xxv. 225 Labial cysts are very common. They are usually met with on the inner side of the labia.

1948 A. C. Kinsey et al. Sexual Behavior Human Male xviii. 576 Most of the female masturbatory techniques are labial, or, more often, clitoral.

2006 A. Kuczynski Beauty Junkies i. 5 The new operation of choice among Hollywood housewives is labial rejuvenation, in which the lips surrounding the vagina are snipped.

5. Designating a flue pipe, an organ pipe having an upper lip against which the airstream strikes to produce a sound; of or relating to such a pipe. Chiefly in labial pipe (cf. lip-pipe n. at lip n. Compounds 2).

ΘΚΠ

society > leisure > the arts > music > musical instrument > keyboard instrument > organ > [adjective] > types of pipes or stops

stopped1595

open1636

labial1837

borrowed1840

through1853

stopless1899

derived-

society > leisure > the arts > music > musical instrument > keyboard instrument > organ > [noun] > pipe > other pipes

recorder1613

reed pipe1728

labial pipe1837

mouth pipe1842

trumpet-pipe1844

lip-pipe1855

1837 True Sun 19 Oct. Some of these instruments are incapable of passing from piano to forte, as in the labial pipes.

1852 tr. J. J. Seidel Organ & its Constr. 21 An organ..which contained the following labial or languet registers [Ger. die Labialregister].

1863 J. Tyndall Heat viii. App. 280 The flame is also affected by various D's of an adjustable labial pipe.

1922 Amer. Organist Mar. 90/2 There seems to be no real objection to the use of zinc..in the large labial and lingual stops of the Pedal Organ.

1986 Early Music 14 546/1 The voicing of labial pipes.

2006 M. W. Jackson Harmonious Triads iv. 104 Labial pipes often received too much air and sounded shrill, while the reed pipes received too little to afford a healthy crescendo and diminuendo.

B. n.

1. Phonetics. A labial speech sound (see sense A. 1).

ΘΚΠ

the mind > language > linguistics > study of speech sound > speech sound > speech sound by place or organ > [noun] > labial

lip-letter1591

labial1650

bilabial1894

1650 T. Fuller Pisgah-sight of Palestine iii. i. 314 The Iews..exchanged letters of the same Linage, (same Instrument) Labials for Labials, Gutturals for Gutturals, whereas betwixt Beth, & Resh in Hebrew no such affinity.

1668 Bp. J. Wilkins Ess. Real Char. iii. xiv. 380 The labials are represented by two curve Figures for the Lips.

a1709 W. Baxter Let. in Gloss. Antiq. Rom. (1731) 409 The third Sort are Labials formed by the Lips alone.

1738 tr. D. Vairasse d'Allais Hist. Sevarambians v. 379 Gutturals, Palaticks, Nasals, Gingivals, Dentals, and Labials.

1850 W. M. Thackeray Pendennis II. viii. 88 You have but the same four letters to describe the salute which..you bestow on the sacred cheek of your mistress; but the same four letters and not one of them a labial.

1864 F. M. Müller Lect. Sci. Lang. 2nd Ser. iv. 162 It is a fact..that the Mohawks..have no p, b, m, f, v, w—no labials of any kind.

1927 H. T. Lowe-Porter tr. T. Mann Magic Mountain II. vi. 611 His lips were so stiff he could not shape the labials.

1965 Language 41 476 A variety of unrounded vocoid transitions between labials and following vowels.

2002 M. Harvey Gram. of Gaagudju ii. 67 In the great majority of their occurrences, prefixes are followed by a labial, a palatal or /g/.

2. Zoology and Anatomy. A labial part or organ; esp. a labial palp of an insect or a labial scale of a reptile.

ΚΠ

1818 Trans. Amer. Philos. Soc. 1 421 Cicindela punctulata...antennæ brown, base cupreous; front naked;..palpi, labials white, last joint green.

1843 J. B. Savier tr. J. B. Gariot Treat. Dis. Mouth 38 The labial furnishes the musculo-palatine;..the inferior labial, the two coronaries.

1885 W. K. Parker Mammalian Descent ii. 46 The finished labials (lip-cartilages) of the types just referred to.

1906 Proc. Royal Physical Soc. Edinb. 16 7 In no specimen was more than one row of scales present between the eye and the labials.

1916 Psyche 23 42 Maxillary palpus 2-jointed, the second joint ending in a long slender bristle; labials 1-jointed and similarly terminated.

2012 Herpetologica 68 68/2 The ground color of the head is dark grayish green with bright yellow blotches on the anterior upper labials.

Compounds

C1. Phonetics. Forming adjectives designating speech sounds or forms articulated with the lip or lips and another specified body part, as labial-dental, labial-nasal, labial-palatal, labial-velar, etc. Cf. labio- comb. form 1.

ΚΠ

1837 Penny Cycl. VIII. 330/2 The labial-nasal sound m, may be said to be exhibited in the closed lips.

1886 Mod. Lang. Notes 1 97/1 The fashion of the scribe..to use the labial dental forms..has the appearance of a..dialectal preference.

1921 Bull. School Oriental Stud. 2 158 The ‘labial-velar’ sound imperfectly rendered by kp, gb is not peculiar to Fang.

1999 Handbk. Internat. Phonetic Assoc. 178 Turned H. Voiced labial-palatal approximant.

2011 J. Grijzenhout in M. van Oostendorp et al. Blackwell Compan. Phonology III. lxv. 1541 When preceded by a vowel or a liquid..the labial and velar stops become a labial-velar glide.

C2.

labial palp n. Zoology a palp (palp n. 1) located near the mouth of a bivalve mollusc or on the labium of an insect.

ΚΠ

1850 G. Johnston Introd. Conchol. 299 Some part of it seems to be directed to the mouth, by the motions of the cilia, and by the movements of the labial palps, of which there are two on each side.

1856 W. Clark tr. J. van der Hoeven Handbk. Zool. I. 394 Labial palps erect, maxillary palps often distinct.

1958 J. E. Morton Molluscs i. 23 Food particles..are carefully graded for size by ciliated labial palps before being ingested.

2016 J. S. Wilson & O. J. M. Carril Bees in your Backyard i. 29/1 The first two segments of the labial palps are elongated and flattened.

labial scale n. Zoology any of the scales surrounding the mouth in a snake, lizard, or other reptile.

ΚΠ

1828 Zool. Jrnl. 3 222 The labial scales are very large.

1906 Proc. Royal Physical Soc. Edinb. 16 8 The upper labial scales in this series vary from 7 to 10 in number.

1989 P. O'Brian Thirteen-gun Salute vii. 211 There was neither time nor light to examine his labial scales.

2004 Jrnl. Vertebr. Paleontol. 24 983/1 Small, irregular labial scales are observed in iguanids, chamaeleonids, [etc.].

This entry has been updated (OED Third Edition, June 2018; most recently modified version published online March 2022).

单词	labial
释义	labialadj.n. Brit. /ˈleɪbɪəl/, U.S. /ˈleɪbiəl/ Forms: 1500s–1600s labiall, 1600s– labial. Origin: A borrowing from Latin. Etymon: Latin labialis. Etymology: < post-classical Latin labialis (of speech sounds) articulated with the lips (1534 or earlier; in early use frequently in treatises on Hebrew grammar), forming the lip or rim of a vessel (1551 or earlier) < classical Latin labium lip (see labium n.) + -ālis -al suffix¹; the specific use of the post-classical Latin word in phonetics is after post-biblical Hebrew šĕpāṯī, lit. ‘of or relating to the lips’, itself after Arabic šafawī , šafahī in the same sense ( < šafa lip + -ī -i suffix²).Compare Middle French, French labial (1580 in phonetics; other senses are not paralleled until considerably later than in English), Spanish labial (1586 in the passage translated in quot. 1590 at sense A. 1; earliest in phonetics). Specific senses. In sense A. 4 after labium n. In sense A. 5 probably after German Labial- (1811 or earlier in this sense, in Labialpfeife ); compare later labium n. 6. A. adj. 1. Phonetics. Of a speech sound: that is articulated with both lips (cf. bilabial adj. 2) or with one lip and the teeth (cf. labiodental adj.); (also) that involves in its articulation rounding or complete or partial closure of the lips, as a secondary articulatory feature (cf. labialized adj.). Also (of a letter or symbol): representing such a sound.Examples of labial consonants include (with bilabial articulation) /p/, /b/, /m/, and (with labiodental articulation) /f/, /v/. ΘΚΠ the mind > language > linguistics > study of speech sound > speech sound > speech sound by place or organ > [adjective] > labial labial1590 labialized1856 bilabial1894 1590 J. Thorius tr. A. del Corro Spanish Grammer 2 The perfect pronunciation of this letter is, ioyning both the lips together. And so the Hebrues call it..the labiall Letter [Sp. letra labial]. 1594 T. Bowes tr. P. de la Primaudaye French Acad. II. 87 The Hebrewes name their letters, some gutturall..: others dentall..and so they call others, labiall, that is letters of the lips. c1620 A. Hume Of Orthogr. Britan Tongue (1870) i. vii. §8 I beginning to lay my grundes of labial, dental, and guttural soundes and symboles. 1668 Bp. J. Wilkins Ess. Real Char. iii. xiv. 379 The Vowels, as they are distinguished into Labial; being framed by an emission of the Breath through the Lips [etc.]. 1711 J. Greenwood Ess. Pract. Eng. Gram. 286 Guttural, Palatine and Labial sounds. 1749 Philos. Trans. 1748 (Royal Soc.) 45 405 The labial and labio-dental Consonants. 1844 T. H. Key Alphabet 25 In the Sanskrit alphabet, the series of guttural, palatal, lingual, dental, and labial consonants, have an n belonging to each class. 1865 E. B. Tylor Res. Early Hist. Mankind iv. 73 Words containing labial and dental letters. 1914 L. Spence Myths of N. Amer. Indians i. 12 The rejection of labial explodents, which extends from Northern Asia through the speech of the Aleutian Islands to North-western America. 1964 Language 40 79 When BI occurs with the plural clitic -h it is reduced to a labial component of a complex phoneme. 1991 Canad. Jrnl. Linguistics 36 398 An English Morpheme Structure Constraint which prohibits identical labial or velar consonants on either side of a vowel in sCVC morphemes. 2014 R. Hickey Sound Struct. Mod. Irish ii. i. 149 There has been a merger in all environments except before velar stops and labial fricatives. 2. a. Relating to or involving the lips; (hence) involving speech, verbal. ΘΚΠ the world > life > the body > external parts of body > head > face > mouth > [adjective] > lip or lips lipped1377 labial1602 labiolingual1865 1602 A. Copley Another Let. to Dis-iesuited Kinseman 27 The Authors whereof in generall are all the whole Iesuiticall faction at this day in England as for labiall slander of the partie detracted. 1650 J. Bulwer Anthropometamorphosis xi. 107 Lip-Gallantry, or certain labial Fashions invented by diverse Nations. 1761 J. Robson First Bk. Psalms of David xix. 66 My labial prayer and my interior sighs Shall so to thee as sacred offerings rise. 1786 E. McGauran Mem. I. ix. 87 It became necessary that I should wear whiskers... Indeed the greatest part of the German troops make use of this labial decoration. 1837 F. Marryat Snarleyyow (ed. 2) I. xix. 275 The olfactory examination was favourable, so he put his mouth to it—the labial essay still more so. 1867 J. Ingelow Lily & Lute ii. 108 More than I can make you view, With my paintings labial. 1913 E. Wharton Custom of Country xviii. 263 Mr. Spragg said no more, but resorted to the soothing labial motion of revolving his phantom toothpick. 2000 W. Cabri & R. Di Fabio From Bench to Market viii. 169 Herpes simplex types 1 (HSV-1) and 2 (HSV-2) responsible for labial herpes and genital herpes, respectively. 2014 Jerusalem Post (Nexis) 4 July 6 An obscure, and hefty, work on the topic of labial encounters. b. Designating anatomical structures forming part of the lips. ΘΚΠ the world > animals > animal body > general parts > head and neck > [adjective] > of the lip > of the nature of a lip labial1656 labiose1832 labiate1842 1656 T. Blount Glossographia at Vein Labial veins, the lip veines, whereof there are two on each inner side, both of the upper and under lip. 1722 J. Quincy Lexicon Physico-medicum (ed. 2) 227 Labial Glands. 1858 A. H. Clough Amours de Voyage in Atlantic Monthly Mar. 539 The labial muscles, that swelled with Vehement evolution of yesterday Marseillaises. 1976 Arch. Dermatol. 112 1235 The mucoserous glands of the labial mucosa are richly innervated. 2015 M. S. See et al. in Plastic & Reconstructive Surg. xxxi. 377/2 The anatomy of the labial arteries can be variable. c. Chiefly Dentistry. Designating the side or surface of a (front) tooth that is located next to the lips; of, relating to, or located on this side. Contrasted with lingual adj. 2c. ΚΠ 1841 Amer. Jrnl. Dental Sci. Sept. 77 They [sc. teeth] are generally first attacked on their lateral surfaces and in their indentations, but neither their labial faces nor most prominent points are exempt from the disease. 1916 M. Dewey Dental Anat. ii. 44 The incisal edge of the central incisor is formed by the junction of the lingual and labial surfaces of the tooth. 1991 Dental Pract. 5 Sept. 5/2 The post-operative results indicate that some 3 mm of increased labial crown height has been gained. 2007 A. Albino in Z. Gasparini et al. Patagonian Mesozoic Reptiles iv. 89 Teeth closely packed, with imbricate labial and lingual flanges. 3. Zoology. Of, relating to, or located on the mouthparts of various invertebrates; esp. of, relating to, or located on the labium (labium n. 5) of the mouth of an insect or other arthropod.labial palp: see Compounds 2. ΚΠ 1818 Trans. Amer. Philos. Soc. 1 405 Maxillæ with two very distinct palpi, of which the exterior one, is nearly equal to the labial palpi. 1854 S. P. Woodward Man. Mollusca ii. 211 The lips and labial tentacles of the ordinary bivalves. 1877 Geol. Mag. 4 205 No calcified support for the labial appendages [in the brachiopod family Lingulidae]. 1925 Trans. Amer. Microsc. Soc. 44 173 The complex membrane-fringed labial and cephalic organs of [Acrobeles] serricornis. 1961 J. L. Cloudsley-Thompson & J. Sankey Land Invertebr. ii. 29 Amphids (sensory organs) labial in position, pore-like. 2006 J. T. Costa Other Insect Societies viii. 195 Psocopteran silk is produced by modified labial glands. 4. Of, relating to, or involving the labia of the vulva (see labium n. 2). ΚΠ 1828 Lancet 13 Sept. 739/1 In young infants, the nymphæ, or labia pudendi, are occasionally coherent; the labial cohesion being easily discriminated. 1876 T. Bryant Pract. Surg. (ed. 2) II. xxv. 225 Labial cysts are very common. They are usually met with on the inner side of the labia. 1948 A. C. Kinsey et al. Sexual Behavior Human Male xviii. 576 Most of the female masturbatory techniques are labial, or, more often, clitoral. 2006 A. Kuczynski Beauty Junkies i. 5 The new operation of choice among Hollywood housewives is labial rejuvenation, in which the lips surrounding the vagina are snipped. 5. Designating a flue pipe, an organ pipe having an upper lip against which the airstream strikes to produce a sound; of or relating to such a pipe. Chiefly in labial pipe (cf. lip-pipe n. at lip n. Compounds 2). ΘΚΠ society > leisure > the arts > music > musical instrument > keyboard instrument > organ > [adjective] > types of pipes or stops stopped1595 open1636 labial1837 borrowed1840 through1853 stopless1899 derived- society > leisure > the arts > music > musical instrument > keyboard instrument > organ > [noun] > pipe > other pipes recorder1613 reed pipe1728 labial pipe1837 mouth pipe1842 trumpet-pipe1844 lip-pipe1855 1837 True Sun 19 Oct. Some of these instruments are incapable of passing from piano to forte, as in the labial pipes. 1852 tr. J. J. Seidel Organ & its Constr. 21 An organ..which contained the following labial or languet registers [Ger. die Labialregister]. 1863 J. Tyndall Heat viii. App. 280 The flame is also affected by various D's of an adjustable labial pipe. 1922 Amer. Organist Mar. 90/2 There seems to be no real objection to the use of zinc..in the large labial and lingual stops of the Pedal Organ. 1986 Early Music 14 546/1 The voicing of labial pipes. 2006 M. W. Jackson Harmonious Triads iv. 104 Labial pipes often received too much air and sounded shrill, while the reed pipes received too little to afford a healthy crescendo and diminuendo. B. n. 1. Phonetics. A labial speech sound (see sense A. 1). ΘΚΠ the mind > language > linguistics > study of speech sound > speech sound > speech sound by place or organ > [noun] > labial lip-letter1591 labial1650 bilabial1894 1650 T. Fuller Pisgah-sight of Palestine iii. i. 314 The Iews..exchanged letters of the same Linage, (same Instrument) Labials for Labials, Gutturals for Gutturals, whereas betwixt Beth, & Resh in Hebrew no such affinity. 1668 Bp. J. Wilkins Ess. Real Char. iii. xiv. 380 The labials are represented by two curve Figures for the Lips. a1709 W. Baxter Let. in Gloss. Antiq. Rom. (1731) 409 The third Sort are Labials formed by the Lips alone. 1738 tr. D. Vairasse d'Allais Hist. Sevarambians v. 379 Gutturals, Palaticks, Nasals, Gingivals, Dentals, and Labials. 1850 W. M. Thackeray Pendennis II. viii. 88 You have but the same four letters to describe the salute which..you bestow on the sacred cheek of your mistress; but the same four letters and not one of them a labial. 1864 F. M. Müller Lect. Sci. Lang. 2nd Ser. iv. 162 It is a fact..that the Mohawks..have no p, b, m, f, v, w—no labials of any kind. 1927 H. T. Lowe-Porter tr. T. Mann Magic Mountain II. vi. 611 His lips were so stiff he could not shape the labials. 1965 Language 41 476 A variety of unrounded vocoid transitions between labials and following vowels. 2002 M. Harvey Gram. of Gaagudju ii. 67 In the great majority of their occurrences, prefixes are followed by a labial, a palatal or /g/. 2. Zoology and Anatomy. A labial part or organ; esp. a labial palp of an insect or a labial scale of a reptile. ΚΠ 1818 Trans. Amer. Philos. Soc. 1 421 Cicindela punctulata...antennæ brown, base cupreous; front naked;..palpi, labials white, last joint green. 1843 J. B. Savier tr. J. B. Gariot Treat. Dis. Mouth 38 The labial furnishes the musculo-palatine;..the inferior labial, the two coronaries. 1885 W. K. Parker Mammalian Descent ii. 46 The finished labials (lip-cartilages) of the types just referred to. 1906 Proc. Royal Physical Soc. Edinb. 16 7 In no specimen was more than one row of scales present between the eye and the labials. 1916 Psyche 23 42 Maxillary palpus 2-jointed, the second joint ending in a long slender bristle; labials 1-jointed and similarly terminated. 2012 Herpetologica 68 68/2 The ground color of the head is dark grayish green with bright yellow blotches on the anterior upper labials. Compounds C1. Phonetics. Forming adjectives designating speech sounds or forms articulated with the lip or lips and another specified body part, as labial-dental, labial-nasal, labial-palatal, labial-velar, etc. Cf. labio- comb. form 1. ΚΠ 1837 Penny Cycl. VIII. 330/2 The labial-nasal sound m, may be said to be exhibited in the closed lips. 1886 Mod. Lang. Notes 1 97/1 The fashion of the scribe..to use the labial dental forms..has the appearance of a..dialectal preference. 1921 Bull. School Oriental Stud. 2 158 The ‘labial-velar’ sound imperfectly rendered by kp, gb is not peculiar to Fang. 1999 Handbk. Internat. Phonetic Assoc. 178 Turned H. Voiced labial-palatal approximant. 2011 J. Grijzenhout in M. van Oostendorp et al. Blackwell Compan. Phonology III. lxv. 1541 When preceded by a vowel or a liquid..the labial and velar stops become a labial-velar glide. C2. labial palp n. Zoology a palp (palp n. 1) located near the mouth of a bivalve mollusc or on the labium of an insect. ΚΠ 1850 G. Johnston Introd. Conchol. 299 Some part of it seems to be directed to the mouth, by the motions of the cilia, and by the movements of the labial palps, of which there are two on each side. 1856 W. Clark tr. J. van der Hoeven Handbk. Zool. I. 394 Labial palps erect, maxillary palps often distinct. 1958 J. E. Morton Molluscs i. 23 Food particles..are carefully graded for size by ciliated labial palps before being ingested. 2016 J. S. Wilson & O. J. M. Carril Bees in your Backyard i. 29/1 The first two segments of the labial palps are elongated and flattened. labial scale n. Zoology any of the scales surrounding the mouth in a snake, lizard, or other reptile. ΚΠ 1828 Zool. Jrnl. 3 222 The labial scales are very large. 1906 Proc. Royal Physical Soc. Edinb. 16 8 The upper labial scales in this series vary from 7 to 10 in number. 1989 P. O'Brian Thirteen-gun Salute vii. 211 There was neither time nor light to examine his labial scales. 2004 Jrnl. Vertebr. Paleontol. 24 983/1 Small, irregular labial scales are observed in iguanids, chamaeleonids, [etc.]. This entry has been updated (OED Third Edition, June 2018; most recently modified version published online March 2022). < adj.n.1590
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