maxilliped
noun
max·il·li·ped mak-ˈsi-lə-ˌped 
: any of the crustacean appendages that comprise the first pair or first three pairs situated next behind the maxillae
Word History
Etymology
maxilla + -i- + -ped, after New Latin maxillipedes and French pieds-machoires
Note: The New Latin and French terms were introduced by the French zoologist Pierre André Latreille (1762-1833) in Encyclopédie méthodique - Histoire naturelle, tome dixième, Entomologie, ou Histoire naturelle des crustacés, des arachnides et des insectes (Paris, 1825), p. 123.
First Known Use
1846, in the meaning defined above