disc S2 W3 BrE AmE ( also disk especially American English ) /dɪsk/ noun [countable]
1 . a round flat shape or object:
three keys attached to a metal disc
2 . a ↑ compact disc
3 . a record that you play on a ↑ record player
4 . British English a computer ↑ disk
on disc
The report form is available on disc from Personnel.
5 . a flat piece of ↑ cartilage between the bones of your back:
He retired early because of a slipped disc (=one that has moved out of its correct place) .
⇨ ↑ disc brakes , ↑ disc jockey , ↑ disk drive , ↑ laser disk