- one member of the first pair of usually pincerlike appendages of spiders and other arachnids.
Origin of chelicera
1825–35; < New Latin, equivalent to cheli- cheli- + Greek kér(as) horn + Latin -a feminine noun ending
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- one of a pair of appendages on the head of spiders and other arachnids: often modified as food-catching claws
C19: from New Latin, from French chélicère, from chél- see chela 1 + -cère from Greek keras horn