/ Dictionary / Index T topspin: Meaning and Definition of Find definitions for: top•spin Pronunciation: (top'spin"), [key] — n. a spinning motion imparted to a ball that causes it to rotate forward. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: topspin (Thesaurus) topsoil topstitch Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language