a backward spinning motion imparted to a ball to reduce its speed at impact, as by hitting it with a downward or undercutting motion
Compare topspin
WordReference Random House Unabridged Dictionary of American English © 2026
back•spin
(bak′spin′),USA pronunciation n.
- Sportreverse rotation of a ball causing it to bounce or roll backward or stop short. Also called underspin.
- back2 + spin 1905–10
Collins Concise English Dictionary © HarperCollins Publishers::
'backspin' also found in these entries (note: many are not synonyms or translations):