gnathopodite

Century Dictionary and Cyclopedia

1. n. One of the limbs which in crustaceans and other arthropods are modified into mouth-parts; a mouth-foot, jaw-foot, or foot-jaw; a maxilliped; a gnathite.

Wiktionary

1. n. zoology Any leg-like appendage of a crustacean that is modified to serve as a jaw.

GNU Webster's 1913

1. n. (Zoöl,) Any leglike appendage of a crustacean, when modified wholly, or in part, to serve as a jaw, esp. one of the maxillipeds.