/ Dictionary / Index O otitis: Meaning and Definition of Find definitions for: o•ti•tis Pronunciation: (ō-tī'tis), [key] — n. Pathol. inflammation of the ear. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: otitis (Thesaurus) Otis otitis externa Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language