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