/ Dictionary / Index P polygene: Meaning and Definition of Find definitions for: pol•y•gene Pronunciation: (pol'ē-jēn"), [key] — n. one of a group of nonallelic genes that together control a quantitative characteristic in an organism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: polygene (Thesaurus) polygamy polygenesis Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language