polyzoa Meaning, Definition & Usage

  1. noun marine or freshwater animals that form colonies of zooids
    phylum Bryozoa; Bryozoa.
  2. 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
    bryozoan; sea mat; sea moss; moss animal; polyzoan.

WordNet

Pol`y*zo"a noun plural
Etymology
NL., fr. Gr. many + an animal.
Definitions
  1. (Zoöl.) Same as Bryozoa. See Illust. under Bryozoa, and Phylactolæmata.

Webster 1913