/ Dictionary / Index D duodenitis: Meaning and Definition of Find definitions for: du•o•de•ni•tis Pronunciation: (d"ō-di-nī'tis, dy"-&wdspcd-od"n-ī'tis, dy-), [key] — n. Pathol. inflammation of the duodenum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. duodenary duodenojejunostomy Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language