(also disc), n. A very short cylinder; a platter. ComputingA computer device used to store and retrieve data, especially the disk itself apart from any associated hardware. Audiovisual RecordsA phonograph record.


The spelling 'disc' is used in some formats and tradenames, including LaserDisc and Compact Disc. Computer disks include hard drives (hard disks), floppy disks, optical disks, and compact discs.