disc
- n sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove
- n something with a round shape resembling a flat circular plate
- n (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored
- n a flat circular plate
disc brake
- n hydraulic brake in which friction is applied to both sides of a spinning disk by the brake pads
disc drive
- n computer hardware that holds and spins a magnetic or optical disk and reads and writes information on it