chelicera

noun, plural che·lic·er·ae [kuh–lis–uh-ree] /kəˈlɪs əˌri/.

1. one member of the first pair of usually pincerlike appendages of spiders and other arachnids.

noun plural -erae (-əˌriː)

1. one of a pair of appendages on the head of spiders and other arachnids: often modified as food-catching claws