<p><strong>Adjective:</strong></p><ul><li>Belonging or pertaining to the Bryozoa.</li></ul><p><strong>Noun:</strong></p><ul><li>Also called moss animal.</li><li>Any sessile marine or freshwater animal of the phylum Bryozoa, forming branching, encrusting, or gelatinous mosslike colonies of many small polyps, each having a circular or horseshoe-shaped ridge bearing ciliated tentacles, occurring on algae or on shaded objects.</li></ul>