Breadcrumb Home > 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: ultimathule Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language