a spinning motion imparted to a ball that causes it to rotate forward.
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How to use topspin in a sentence
By changing the serve’s spin from slice to topspin, she would hamper her opponents’ ability to make a quality return.
Most fruitful of all was his meeting with investment manager Tony Ettinger, a master himself of topspin aggression.Marty Reisman: The Magical Hustler Who Saved a Classic Game | Harold Evans | December 10, 2012 | THE DAILY BEAST
British Dictionary definitions for topspin
sport spin imparted to make a ball bounce or travel exceptionally far, high, or quickly, as by hitting it with a sharp forward and upward stroke: Compare backspin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012