backspin

[ bak-spin ]
/ ˈbækˌspɪn /

noun

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

Origin of backspin

First recorded in 1905–10; back2 + spin

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 motion Compare topspin