Entry 1 sense Webster, 1913 Polyzoa · Pol·y·zo·a · IPA /pɒliˈzəʊ.ə/ 01 n. pl. Same as Bryozoa. See Illust. under Bryozoa, and Phylactolæmata. 1. Same as Bryozoa. See Illust. under Bryozoa, and Phylactolæmata.(Zool.) See: Bryozoa, Bryozoa, Phylactolæmata