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n. pl. che·lic·er·ae (-ə-rē′)
Either of the first pair of fanglike appendages near the mouth of an arachnid or a horseshoe crab, often modified for grasping and piercing.

[New Latin : chela + Greek keras, horn; see ker- in Indo-European roots.]


n, pl -erae (-əˌriː)
(Zoology) 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 chela1 + -cère from Greek keras horn]
cheˈliceral adj


(kəˈlɪs ər ə)

n., pl. -er•ae (-əˌri)
one member of the first pair of usu. pincerlike appendages of spiders and other arachnids.
[1825–35; < New Latin, =cheli- cheli- + Greek kér(as) horn + Latin -a feminine n. ending]
che•lic′er•al, adj.
che•lic′er•ate` (-əˌreɪt, -ər ɪt) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chelicera - either of the first pair of fang-like appendages near the mouth of an arachnid; often modified for grasping and piercing
appendage, extremity, member - an external body part that projects from the body; "it is important to keep the extremities warm"
References in periodicals archive ?
Then they pull out one chelicera and leave the other one hanging out there with the spider prey impaled on it," Wood says.