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