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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 ?
Description (adult female).--Color: Yellow-brown, chelicerae, pedipalps and anterior portion of propeltidium slightly darker (Figs.
Fixed digit of chelicerae, with one tooth, movable digit with two teeth of various size.
They also have chelicerae (their mouthparts) with fangs attached to them.
The engine spins in desperation, but here comes the old cannibal with its ebon chelicerae. The next day, nothing is left of the plane but a shell.
The genus Bistriopelma comprises small to medium-sized theraphosid spiders, with total length 12.5 up to 24.8 mm, excluding chelicerae and spinnerets.
After laying her eggs, the female surrounds them with an open mesh of spider silk, and holds them with her chelicerae (Main 1976).
We also observed protrusions through the skin of the toad's throat which may have been the tarantula's chelicerae and fangs striking from inside the toad.
Chelicerae of different sizes have been identified in the Atholville exposure, indicating animals ranging in length from about 65 to 170 cm (Miller 2007a).
iranii (A) by its orange-coloured abdomen (both dorsally and ventrally) and by its pale face and dark brown, hairy chelicerae (versus a black face and smooth black chelicerae in Olios cf.