/ Dictionary / Index G gastroenteritis: Meaning and Definition of Find definitions for: gas•tro•en•ter•i•tis Pronunciation: (gas"trō-en"tu-rī'tis), [key] — n. Pathol. inflammation of the stomach and intestines. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gastroenteritis (Thesaurus) gastroduodenostomy gastroentero- Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language