/ Dictionary / Index I ileitis: Meaning and Definition of Find definitions for: il•e•i•tis Pronunciation: (il"ē-ī'tis), [key] — n. Pathol. inflammation of the ileum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ileitis (Thesaurus) Île du Diable ileo- Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language