Definition of disc system in English:

disc system

(US disk system)

noun

  • 1A machine, appliance, or system employing discs; specifically (usually in form disk system) a computer system in which a disk is used as the main storage medium; a storage system incorporating a disk.

  • 2A system or set of discs; (Astronomy) a galactic system in the form of a disc.

Origin

Mid 19th century; earliest use found in The Civil Engineer and Architect's Journal.