eye capn.

Brit.

/ˈʌɪ kap/, U.S.

/ˈaɪ ˌkæp/

Origin: Formed within English, by compounding. Etymons: eye n.¹, cap n.¹

Etymology: < eye n.¹ + cap n.¹In sense 3 (in entomology) after German Augendeckel (1848 in this sense in the article abstracted in quot. 1849 at sense 3; 16th cent. in the general sense ‘eyelid’ (now colloquial)).

1. Any of various types of part attached to the end of the eyepiece of an optical instrument; spec. (a) a tubular attachment which alters the image that the viewer sees, or which makes viewing more comfortable; (b) a protective cap for the eye lens.

ΘΚΠ

the world > physical sensation > sight and vision > optical instruments > [noun] > instrument for looking through > parts of

sight-hole1559

aperture1665

diaphragm1665

reticule1728

reticle1731

wire1737

web1746

screena1764

eye cap1822

spider-line1829

cobweb1837

slit1863

1822 Mem. Astron. Soc. 1 90 Fig. 2 giving the external appearance of the eye-piece,..and fig. 4 a section of the eye-cap containing the prismatic solid.

1885 Eng. Mech. 10 July 414/1 The field lens should be towards eye in this experiment, and the eye cap removed.

1895 Monthly Notices Royal Astron. Soc. 55 370 There is a series of these small eye-caps here for use with the 36-inch [telescope].

1903 Photogr. Times-Bull. Oct. 449/1 I have used eye-caps of various tints when scrutinizing this luminary.

1917 Arms & Man 15 Feb. 404/2 After this is done, the rubber eye-cap, which is fastened by the eye-cap ferrule, may then be turned without affecting the focus.

1982 J. S. Borthwick Case of Hook-Billed Kites xl. 139 One pair of binoculars, eye caps on eyepieces.

2004 J. Steiff Compl. Idiot's Guide Independent Filmmaking xviii. 202 For comfort, most diopters include a rubber eye cap.

†2. The superciliary (brow) ridge and other parts of the bony rim of the eye socket. Cf. eyebone n. (b) at eye n.¹ Compounds 4. Obsolete. rare.

ΘΚΠ

the world > life > the body > structural parts > bone or bones > skull > parts of skull > [noun] > socket of eye > parts of or associated with

eyebrow1583

meditullium1683

superciliary ridge1726

superciliary arch1733

supraorbital1797

lacrimal1822

suborbital1824

suborbitary1825

suborbitar1828

superciliary1831

eyebrow ridge1837

eye cap1837

orbitosphenoid1847

prefrontal1851

superorbital1854

jugum sphenoidale1887

ungual bone1888

1837 W. Youatt Sheep iv. 111 The orbits of the eye—the eye-cap, or bone,—not too projecting, that it may not form a fatal obstacle in lambing.

3. Entomology. In some small moths: an expanded basal segment of the antenna which partly covers the eye.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > Heterocera > [noun] > member of (moth) > parts of

eye cap1849

1849 Trans. Royal Entomol. Soc. 1847–9 5 131 Their hairs-of-the-head are pale yellow, the eye-caps as usual, the antennæ greyish yellow and shining.

1872 Amer. Naturalist 6 337 Whose imagos have the head covered with entirely smooth scales, and have the lower joints of the antennæ widened into an eye-cap.

1944 R. Matheson Entomol. for Introd. Courses xiv. 280 Key to Some Families of Lepidoptera..Basal segment of antenna enlarged, concave beneath, and forms an eye-cap.

1977 O. W. Richards & R. G. Davies Imms's Gen. Textbk. Entomol. (ed. 10) II. iii. 1110 The head is smooth-scaled except for a posterior fringe; antenna without an ‘eyecap’.

2010 Independent 28 Apr. 21/4 Birds tend to aim for the eyes... The eye caps may be an attempt to make the moth look like a bird dropping.

4. In embalming and funeral practice: a device inserted under the eyelids to maintain the shape of the eyeball and keep the eyelids closed.

ΚΠ

1894 Johnson's Universal Cycl. (new ed.) III. 82/2 To prevent the sinking of the eyelids, thin shells of wax (‘eye caps’) are put under the lids.

1906 A. J. Dodge Essent. Anat., Sanitary Sci. & Embalming 213 If the eyeball is sunken, raise the lid with pads of absorbent cotton or eye-caps.

1944 J. H. Eckels Mod. Mortuary Sci. iii. ii. 135 An eyecap placed under the upper and lower lids may suffice to return the eye to its normal contour.

2011 Y. Edwards Cupboard Full Coats ii. 28 I had spent the day working on him: inserting eye caps to close his eyes, small pieces of foam in his cheeks to recreate symmetry.

5. Zoology. The (usually transparent) scale that covers the eye in snakes and certain other reptiles.

ΚΠ

1931 R. L. Ditmars Snakes of World xii. 151 The big cobra was induced to go into a tank and bathe for several hours, but there was no sign of its being able to rub off the old eye caps, which it tried its best to do.

1972 L. M. Klauber Rattlesnakes I. vi. 355 Often the skin comes away in patches, trouble being had particularly with the eye caps.

2011 J. P. Rafferty Reptiles & Amphibians iv. 80 The snake's eyes become a milky blue, an indication of a physiological loosening of the skin that forms the eye cap.

This is a new entry (OED Third Edition, June 2014; most recently modified version published online March 2022).

单词	eye cap
释义	eye capn. Brit. /ˈʌɪ kap/, U.S. /ˈaɪ ˌkæp/ Origin: Formed within English, by compounding. Etymons: eye n.¹, cap n.¹ Etymology: < eye n.¹ + cap n.¹In sense 3 (in entomology) after German Augendeckel (1848 in this sense in the article abstracted in quot. 1849 at sense 3; 16th cent. in the general sense ‘eyelid’ (now colloquial)). 1. Any of various types of part attached to the end of the eyepiece of an optical instrument; spec. (a) a tubular attachment which alters the image that the viewer sees, or which makes viewing more comfortable; (b) a protective cap for the eye lens. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > [noun] > instrument for looking through > parts of sight-hole1559 aperture1665 diaphragm1665 reticule1728 reticle1731 wire1737 web1746 screena1764 eye cap1822 spider-line1829 cobweb1837 slit1863 1822 Mem. Astron. Soc. 1 90 Fig. 2 giving the external appearance of the eye-piece,..and fig. 4 a section of the eye-cap containing the prismatic solid. 1885 Eng. Mech. 10 July 414/1 The field lens should be towards eye in this experiment, and the eye cap removed. 1895 Monthly Notices Royal Astron. Soc. 55 370 There is a series of these small eye-caps here for use with the 36-inch [telescope]. 1903 Photogr. Times-Bull. Oct. 449/1 I have used eye-caps of various tints when scrutinizing this luminary. 1917 Arms & Man 15 Feb. 404/2 After this is done, the rubber eye-cap, which is fastened by the eye-cap ferrule, may then be turned without affecting the focus. 1982 J. S. Borthwick Case of Hook-Billed Kites xl. 139 One pair of binoculars, eye caps on eyepieces. 2004 J. Steiff Compl. Idiot's Guide Independent Filmmaking xviii. 202 For comfort, most diopters include a rubber eye cap. †2. The superciliary (brow) ridge and other parts of the bony rim of the eye socket. Cf. eyebone n. (b) at eye n.¹ Compounds 4. Obsolete. rare. ΘΚΠ the world > life > the body > structural parts > bone or bones > skull > parts of skull > [noun] > socket of eye > parts of or associated with eyebrow1583 meditullium1683 superciliary ridge1726 superciliary arch1733 supraorbital1797 lacrimal1822 suborbital1824 suborbitary1825 suborbitar1828 superciliary1831 eyebrow ridge1837 eye cap1837 orbitosphenoid1847 prefrontal1851 superorbital1854 jugum sphenoidale1887 ungual bone1888 1837 W. Youatt Sheep iv. 111 The orbits of the eye—the eye-cap, or bone,—not too projecting, that it may not form a fatal obstacle in lambing. 3. Entomology. In some small moths: an expanded basal segment of the antenna which partly covers the eye. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > Heterocera > [noun] > member of (moth) > parts of eye cap1849 1849 Trans. Royal Entomol. Soc. 1847–9 5 131 Their hairs-of-the-head are pale yellow, the eye-caps as usual, the antennæ greyish yellow and shining. 1872 Amer. Naturalist 6 337 Whose imagos have the head covered with entirely smooth scales, and have the lower joints of the antennæ widened into an eye-cap. 1944 R. Matheson Entomol. for Introd. Courses xiv. 280 Key to Some Families of Lepidoptera..Basal segment of antenna enlarged, concave beneath, and forms an eye-cap. 1977 O. W. Richards & R. G. Davies Imms's Gen. Textbk. Entomol. (ed. 10) II. iii. 1110 The head is smooth-scaled except for a posterior fringe; antenna without an ‘eyecap’. 2010 Independent 28 Apr. 21/4 Birds tend to aim for the eyes... The eye caps may be an attempt to make the moth look like a bird dropping. 4. In embalming and funeral practice: a device inserted under the eyelids to maintain the shape of the eyeball and keep the eyelids closed. ΚΠ 1894 Johnson's Universal Cycl. (new ed.) III. 82/2 To prevent the sinking of the eyelids, thin shells of wax (‘eye caps’) are put under the lids. 1906 A. J. Dodge Essent. Anat., Sanitary Sci. & Embalming 213 If the eyeball is sunken, raise the lid with pads of absorbent cotton or eye-caps. 1944 J. H. Eckels Mod. Mortuary Sci. iii. ii. 135 An eyecap placed under the upper and lower lids may suffice to return the eye to its normal contour. 2011 Y. Edwards Cupboard Full Coats ii. 28 I had spent the day working on him: inserting eye caps to close his eyes, small pieces of foam in his cheeks to recreate symmetry. 5. Zoology. The (usually transparent) scale that covers the eye in snakes and certain other reptiles. ΚΠ 1931 R. L. Ditmars Snakes of World xii. 151 The big cobra was induced to go into a tank and bathe for several hours, but there was no sign of its being able to rub off the old eye caps, which it tried its best to do. 1972 L. M. Klauber Rattlesnakes I. vi. 355 Often the skin comes away in patches, trouble being had particularly with the eye caps. 2011 J. P. Rafferty Reptiles & Amphibians iv. 80 The snake's eyes become a milky blue, an indication of a physiological loosening of the skin that forms the eye cap. This is a new entry (OED Third Edition, June 2014; most recently modified version published online March 2022). < n.1822
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