/ Dictionary / Index G gamete: Meaning and Definition of Find definitions for: gam•ete Pronunciation: (gam'ēt, gu-mēt'), [key] — n. Biol. a mature sexual reproductive cell, as a sperm or egg, that unites with another cell to form a new organism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gamete (Thesaurus) gametangium game theory Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language