disk S2 W3 /dɪsk/ BrE AmE noun [countable]
[ Date: 1600-1700 ; Language: Latin ; Origin: discus 'disk, plate' ]
1 . a small flat piece of plastic or metal which is used for storing computer or electronic information
2 . the usual American spelling of ↑ disc
⇨ ↑ compact disc , ↑ floppy disk , ↑ hard disk , ↑ laser disk