cheliceran.

Brit.

/kəˈlɪs(ə)rə/, U.S.

/kəˈlɪsərə/

Inflections: Plural chelicerae Brit.

/kəˈlɪs(ə)riː/, U.S.

/kəˈlɪsəri/.

Origin: Apparently a borrowing from French, combined with a borrowing from Latin. Etymons: French chélicère, Latin -a.

Etymology: Apparently < French chélicère chelicer n. + scientific Latin -a (see -a suffix¹). Compare scientific Latin chelicera (1834 or earlier, chiefly in French sources, rare). Compare slightly later chelicer n.

Zoology.

Either of a pair of appendages in front of the mouth in arachnids and some other arthropods, usually modified as pincer-like claws. Cf. chela n.¹

ΚΠ

1831 H. McMurtrie tr. P. A. Latreille in G. Cuvier Animal Kingdom III. 214 Projecting cheliceræ nearly as long as the body.

1870 H. A. Nicholson Man. Zool. 198 In the Scorpions the mandibles are short, and terminate in strong pincers, or ‘cheliceræ’.

1900 Amer. Naturalist 34 841 The second and third joints of each chelicera form a pair of pinchers.

1947 A. D. Imms Outl. Entomol. (ed. 3) v. 169 There are no antennae, these organs being replaced by prehensile chelicerae.

1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) xxiii. 120 (caption) The chelicera of a spider, Heteropoda regia.., with poison sac.

2000 C. Tudge Variety of Life ii. xi. 310 The first two [pairs of appendages] are the chelicerae and pedipalps, and the last four are the walking legs.

Derivatives

cheˈliceral adj.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Arachnida > [adjective] > of or belonging to Araneida > of chelicer

cheliceral1877

the world > animals > invertebrates > phylum Arthropoda > class Arachnida > [adjective] > of group Scorpionidae > relating to scorpion > of or relating to chelicer

cheliceral1877

1877 T. H. Huxley Man. Anat. Invertebr. Animals vii. 384 The two palpi are developed from the pedipalpal portion of the proboscis; two horny hooks from the cheliceral portion.

1935 Proc. Royal Soc. B. 117 185 The second pair [of rudiments], corresponding to the pedipalpi, occupies a position immediately behind the cheliceral rudiments.

1990 Jrnl. Zool. 222 602 The degree to which feeding spiders crush and rupture their prey's exoskeletons seems to be related to the development of cheliceral teeth on the spider's chelicerae.

This entry has been updated (OED Third Edition, September 2009; most recently modified version published online June 2022).

单词	chelicera
释义	cheliceran. Brit. /kəˈlɪs(ə)rə/, U.S. /kəˈlɪsərə/ Inflections: Plural chelicerae Brit. /kəˈlɪs(ə)riː/, U.S. /kəˈlɪsəri/. Origin: Apparently a borrowing from French, combined with a borrowing from Latin. Etymons: French chélicère, Latin -a. Etymology: Apparently < French chélicère chelicer n. + scientific Latin -a (see -a suffix¹). Compare scientific Latin chelicera (1834 or earlier, chiefly in French sources, rare). Compare slightly later chelicer n. Zoology. Either of a pair of appendages in front of the mouth in arachnids and some other arthropods, usually modified as pincer-like claws. Cf. chela n.¹ ΚΠ 1831 H. McMurtrie tr. P. A. Latreille in G. Cuvier Animal Kingdom III. 214 Projecting cheliceræ nearly as long as the body. 1870 H. A. Nicholson Man. Zool. 198 In the Scorpions the mandibles are short, and terminate in strong pincers, or ‘cheliceræ’. 1900 Amer. Naturalist 34 841 The second and third joints of each chelicera form a pair of pinchers. 1947 A. D. Imms Outl. Entomol. (ed. 3) v. 169 There are no antennae, these organs being replaced by prehensile chelicerae. 1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) xxiii. 120 (caption) The chelicera of a spider, Heteropoda regia.., with poison sac. 2000 C. Tudge Variety of Life ii. xi. 310 The first two [pairs of appendages] are the chelicerae and pedipalps, and the last four are the walking legs. Derivatives cheˈliceral adj. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Arachnida > [adjective] > of or belonging to Araneida > of chelicer cheliceral1877 the world > animals > invertebrates > phylum Arthropoda > class Arachnida > [adjective] > of group Scorpionidae > relating to scorpion > of or relating to chelicer cheliceral1877 1877 T. H. Huxley Man. Anat. Invertebr. Animals vii. 384 The two palpi are developed from the pedipalpal portion of the proboscis; two horny hooks from the cheliceral portion. 1935 Proc. Royal Soc. B. 117 185 The second pair [of rudiments], corresponding to the pedipalpi, occupies a position immediately behind the cheliceral rudiments. 1990 Jrnl. Zool. 222 602 The degree to which feeding spiders crush and rupture their prey's exoskeletons seems to be related to the development of cheliceral teeth on the spider's chelicerae. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online June 2022). < n.1831
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