/ Dictionary / Index G gastrocolic omentum: Meaning and Definition of Find definitions for: gastrocol'ic omen'tum. Pronunciation: [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gastrocolic gastrodermis Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language