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chelicera

[kuh-lis-er-uh] /kəˈlɪs ər ə/
noun, plural chelicerae
[kuh-lis-uh-ree] /kəˈlɪs əˌri/ (Show IPA)
1.
one member of the first pair of usually pincerlike appendages of spiders and other arachnids.
Compare pedipalp.
Origin
1825-1835
1825-35; < Neo-Latin, equivalent to cheli- cheli- + Greek kér(as) horn + Latin -a feminine noun ending
Related forms
cheliceral, adjective
chelicerate
[kuh-lis-uh-reyt, -er-it] /kəˈlɪs əˌreɪt, -ər ɪt/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for chelicerate

chelicerate

/kɪˈlɪsəˌreɪt/
adjective
1.
of, relating to, or belonging to the Chelicerata, a subphylum of arthropods, including arachnids and the horseshoe crab, in which the first pair of limbs are modified as chelicerae
noun
2.
any arthropod belonging to the Chelicerata

chelicera

/kɪˈlɪsərə/
noun (pl) -erae (-əˌriː)
1.
one of a pair of appendages on the head of spiders and other arachnids: often modified as food-catching claws
Derived Forms
cheliceral, adjective
Word Origin
C19: from New Latin, from French chélicère, from chél- see chela1 + -cère from Greek keras horn
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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chelicerate in Science
chelicerate
  (kə-lĭs'ər-āt', -ĭt)   
Any of various, mostly terrestrial arthropods of the subphylum Chelicerata, having a body divided into two main parts: a cephalothorax and an abdomen. Chelicerates have specialized feeding appendages (chelicerae) and lack antennae. Chelicerates include the arachnids and merostomes (horseshoe crabs) and are closely related to the extinct trilobites.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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