Uropod
Pronunciation : U"ro*pod
Part of Speech : n.
Etymology : [2d uro- + -pod.] (Zo?l.)
Definition : Defn: Any one of the abdominal appendages of a crustacean, especially one of the posterior ones, which are often larger than the rest, and different in structure, and are used chiefly in locomotion. See Illust. of Crustacea, and Stomapoda.
Source : Webster's Unabridged Dictionary, 1913