尾肢; 尾足
Uropod \U"ro*pod\, n. [2d uro- + -pod.] (Zo["o]l.) 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}.