/ Dictionary / Index G greater omentum: Meaning and Definition of Find definitions for: great'er omen'tum Pronunciation: [key] — Anat. Anat. the peritoneal fold attached to the stomach and the colon and hanging over the small intestine. Also calledCf. lesser omentum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Greater Manchester greater prairie chicken Related Content Daily Word Quiz: divulge Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language