One of the two anterior appendages of arachnids; in ticks and parasitic mites, the chelicerae are piercing and cutting structures, and constitute important feeding organs. [G. chele, claw, + keras, horn]

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che·lic·era ki-'lis-ə-rə n, pl -er·ae -.rē one of the anterior pair of appendages of an arachnid often specialized as fangs
che·lic·er·al -ə-rəl adj

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che·lic·era (ke-lisґər-ə) pl. chelicґerae [Gr. chēlē claw + keras horn] a pair of pincer-like head appendages of spiders, scorpions, and other arachnids. In certain arthropods, such as spiders, mites, and scorpions, anterior chelicerae serve as feeding appendages.

Medical dictionary. 2011.

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  • Chelicera — Che*lic e*ra (k[ e]*l[i^]s [ e]*r[.a]), n.; pl. {Chelicer[ae]} ( r[=e]). [NL., fr. Gr. chhlh claw + ke ras horn.] (Zo[ o]l.) One of the anterior pair of mouth organs, terminated by a pincherlike claw, in scorpions and allied Arachnida. They are… …   The Collaborative International Dictionary of English

  • chelicera — [kə lis′ər ə] n. pl. chelicerae [kə lis′ər ē΄] [ModL < Gr chēlē, claw (see CHELA) + keras, HORN] either of the first pair of appendages of spiders and other arachnids, used for grasping and crushing chelicerate [kə lis′ər āt΄, kə lis′ər it]… …   English World dictionary

  • chelicera — noun (plural chelicerae) Etymology: New Latin, from French chélicère, from Greek chēlē + keras horn more at horn Date: 1835 one of the anterior pair of appendages of an arachnid often specialized as fangs • cheliceral adjective …   New Collegiate Dictionary

  • chelicera — n.; pl. erae [Gr. chele, claw; keras, horn] (ARTHROPODA: Chelicerata) Anterior most pair of appendages, functioning in grasping, holding, tearing, crushing or piercing; pincherlike in scorpions, but modified as poison fangs in spiders and as… …   Dictionary of invertebrate zoology

  • chelicera — cheliceral, adj. chelicerate /keuh lis euh rayt , euhr it/, adj. /keuh lis euhr euh/, n., pl. chelicerae / euh ree /. one member of the first pair of usually pincerlike appendages of spiders and other arachnids. Cf. pedipalp. [1825 35; < NL,… …   Universalium

  • chelicera — noun /kəˈlɪsəɹə/ One of the prehensile claws found on the proboscises of spiders and scorpions …   Wiktionary

  • chelicera — n. pair of fang like or claw like appendages (in spiders and other arachnids) …   English contemporary dictionary

  • chelicera — [kə lɪs(ə)rə] noun (plural chelicerae ri:) Zoology either of a pair of appendages in front of the mouth in arachnids and some other arthropods, usually modified as pincer like claws. Derivatives cheliceral adjective Origin C19: mod. L., from Gk… …   English new terms dictionary

  • chelicera — che·lic·era …   English syllables

  • chelicera — che•lic•er•a [[t]kəˈlɪs ər ə[/t]] n. pl. er•ae [[t] əˌri[/t]] ivt one member of the first pair of usu. pincerlike appendages of spiders and other arachnids • Etymology: 1825–35; < NL, =cheli cheli + Gk kér(as) horn + L a fem. n. ending… …   From formal English to slang

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