/ Dictionary / Index T tendinitis: Meaning and Definition of Find definitions for: ten•di•ni•tis Pronunciation: (ten"du-nī'tis), [key] — n. Pathol. inflammation of a tendon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tendinitis (Thesaurus) tender offer tendinous Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language