Bryozoan \Bry`o*zo"an\, a. (Zo["o]l.) Of or pertaining to the Bryozoa. -- n. One of the Bryozoa.
bryozoan 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: {polyzoan}, {sea mat}, {sea moss}, {moss animal}] [also: {bryozoa} (pl)]