Maxilliped

One of the mouth appendages of Crustacea, situated next behind the maxillae. Crabs have three pairs, but many of the lower Crustacea have but one pair of them. Called also jawfoot, and foot jaw.

One of a set of three paired appendages on the thorax of a decapod crustacean, located just posterior to the maxillae and used in feeding.; "An appendage which is modified to assist in feeding is known as a maxilliped or gnathopod."