
The chelicerae iː are mouthparts of the Chelicerata, an arthropod subphylum that includes arachnids, Merostomata (horseshoe crabs), and Pycnogonida (sea spiders). Additionally, some chelicerae, such as those found in spiders, are hollow and contain (or are connected to) venom glands, and are used to inject venom into prey or a (perceived) threat....
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http://en.wikipedia.org/wiki/Chelicerae

• (pl. ) of Chelicera
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http://thinkexist.com/dictionary/meaning/chelicerae/

Anteriormost pair of appendages in the chelicerate arthropods, which include spiders, ticks and mites; generally the most important feeding appendages in these groups.
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http://www.encyclo.co.uk/visitor-contributions.php

a pair of appendages on a spider, used as fangs
Found on
http://www.museum.state.il.us/ismdepts/zoology/spiders/spiders_glossary.htm

The jaws, each one comprising a large basal part and a fang
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http://www.xs4all.nl/~ednieuw/Spiders/Spiderglossary.htm

The pincerlike first pair of appendages of the arachnids; in spiders two-segmented, the distal portion or fang used to inject venom from enclosed glands into the prey.
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http://www.xs4all.nl/~ednieuw/Spiders/Spiderglossary.htm

jointed appendages possessed by some arthropods and used for feeding.
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https://www.amentsoc.org/insects/glossary/begins/with/c/

the anteriormost set of appendages in the scorpion, comprising the mouthparts. The chelicerae of scorpions are chelate and
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https://www.encyclo.co.uk/local/21266

one of two pairs of mouthparts of spiders; these are used to inject venom into the prey
Found on
https://www.encyclo.co.uk/local/22348
No exact match found.