/ Dictionary / Index G gamopetalous: Meaning and Definition of Find definitions for: gam•o•pet•al•ous Pronunciation: (gam"u-pet'l-us), [key] — adj. Bot. having the petals united. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gamopetalous (Thesaurus) gamogenesis gamophyllous Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language