/ Dictionary / Index P polygynous: Meaning and Definition of Find definitions for: po•lyg•y•nous Pronunciation: (pu-lij'u-nus), [key] — adj. of, pertaining to, characterized by, or practicing polygyny. having many pistils or styles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: polygynous (Thesaurus) polygynist polygyny Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language