/ Dictionary / Index T tennis elbow: Meaning and Definition of Find definitions for: ten'nis el"bow Pronunciation: [key] irritation of the synovial membrane, or joint rotary area, of the elbow, caused by immoderate motions while playing tennis or other sports; epicondylitis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tennis ball tennis shoe Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language