/ Dictionary / Index T tinnitus: Meaning and Definition of Find definitions for: tin•ni•tus Pronunciation: (ti-nī'tus, tin'i-), [key] — n. Pathol. a ringing or similar sensation of sound in the ears. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tinnitus (Thesaurus) tinning tinny Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language