/ Dictionary / Index G gastrectomy: Meaning and Definition of Find definitions for: gas•trec•to•my Pronunciation: (ga-strek'tu-mē), [key] — pl. -mies. partial or total excision of the stomach. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gastrectomy (Thesaurus) gastralgia gastric 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