‖n. pl. [ NL., fr. Gr. poly`s many + zw^, on an animal. ] (Zool.) Same as Bryozoa. See Illust. under Bryozoa, and Phylactolæmata. [ 1913 Webster ]
n. (Zool.) (a) Any species of Polyzoa; one of the Polyzoa. (b) A polyzoon. [ 1913 Webster ]
‖n.; pl. Polyzoaria [ NL. ] (Zool.) Same as Polyzoary. [ 1913 Webster ]
n. (Zool.) The compound organism of a polyzoan. [ 1913 Webster ]