backspin

[ bak-spin ]
/ ˈbækˌspɪn /

noun

reverse rotation of a ball causing it to bounce or roll backward or stop short.

Origin of backspin

First recorded in 1905–10; back2 + spin
Also called underspin.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for backspin

backspin

/ (ˈbækˌspɪn) /

noun

sport a backward spinning motion imparted to a ball to reduce its speed at impact, as by hitting it with a downward or undercutting motionCompare topspin
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