鋏きょう角かく

noun

chelicera

Zoological term for the first pair of appendages in arachnids and related arthropods, often modified as fangs or pincers.

• クモの鋏きょう角かくは獲え物ものに毒どくを注ちゅう入にゅうするのに使つかわれる。

  A spider's chelicerae are used to inject venom into prey.