/ Dictionary / Index P polyzoan: Meaning and Definition of Find definitions for: pol•y•zo•an Pronunciation: (pol"ē-zō'un), [key] — adj., n. Brit. bryozoan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: polyzoan (Thesaurus) Polyzoa polyzoarium Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language