The Collaborative International Dictionary
Gnathopodite
Gnathopodite \Gna*thop"o*dite\, n. (Zo["o]l,) Any leglike appendage of a crustacean, when modified wholly, or in part, to serve as a jaw, esp. one of the maxillipeds.
Wiktionary
gnathopodite
n. (context zoology English) Any leg-like appendage of a crustacean that is modified to serve as a jaw.