Polyzoa
  苔蟲類
  Pol·y·zo·a n. pl.  Zool. Same as Bryozoa. See Illust. under Bryozoa, and Phylactolæmata.
  ◄ ►
  Pol·y·zo·ön n.; pl. Polyzoa   Zool. One of the individual zooids forming the compound organism of a polyzoan.
  ◄ ►
  polyzoa
       n : marine or freshwater animals that form colonies of zooids
           [syn: Bryozoa, phylum Bryozoa]
  polyzoan
       n : sessile aquatic animal forming mosslike colonies of small
           polyps each having a curved or circular ridge bearing
           tentacles; attach to stones or seaweed and reproduce by
           budding [syn: bryozoan, sea mat, sea moss, moss
           animal]
       [also: polyzoa (pl)]