'Polyzoan' definitions:
Definition of 'polyzoan'
From: WordNet
noun
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]
Definition of 'Polyzoan'
From: GCIDE
- Polyzoan \Pol`y*zo"an\, n. (Zool.) (a) Any species of Polyzoa; one of the Polyzoa. (b) A polyzoon. [1913 Webster]