definition of
disc

[1] #1 disc n. [phonograph record, phonograph recording, record, disk, platter] sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove. wn

[2] #2 disc n. [disk, saucer] something with a round shape resembling a flat circular plate; "the moon's disk hung in a cloudless sky". wn

[3] #3 disc n. [magnetic disk, magnetic disc, disk] (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored. wn

[4] #4 disc n. [disk] a flat circular plate. wn