/ Dictionary / Index T tennis ball: Meaning and Definition of Find definitions for: ten'nis ball" Pronunciation: [key] a hollow ball used in tennis, made of rubber with a fuzzy covering of woven Dacron, nylon, or wool. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tennis tennis elbow Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language