polyzoan

2 definitions found

polyzoan - Collaborative International Dictionary of English v.0.48 :

  Polyzoan \Pol`y*zo"an\, n. (Zool.)
     (a) Any species of Polyzoa; one of the Polyzoa.
     (b) A polyzoon.
         [1913 Webster]

polyzoan - WordNet (r) 2.1 (2005) :

  polyzoan
      n 1: sessile aquatic animal forming mossy colonies of small
           polyps each having a curved or circular ridge bearing
           tentacles; attach to stones or seaweed and reproduce by
           budding [syn: bryozoan, polyzoan, sea mat, sea moss
           , moss animal]