/ Dictionary / Index P polypetalous: Meaning and Definition of Find definitions for: pol•y•pet•al•ous Pronunciation: (pol"ē-pet'l-us), [key] — adj. Bot. having a corolla of separate petals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: polypetalous (Thesaurus) polypeptide polyphagia 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