/ Dictionary / Index G gameto-: Meaning and Definition of Find definitions for: gameto- Pronunciation: [key] a combining form representinggametophore. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. game theory gametocide 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