backspin

Short definition from Wiktionary

Noun

1. 1
   Spin applied to a ball in order to slow it, change its flight, or stop it when it lands.
2. 2
   Synonym of spinback.

Verb

1. 1
   To spin (a ball) with this motion.
2. 2
   To play a section of a record in reverse, as a disc jockey; to apply spinback.