dɪsk dɪsk dɪsk ˈɹɛkɔːd ˈsɔː.sə ˈsɔ.səɹ draw a harrow over (land) a flat circular plate (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove something with a round shape resembling a flat circular plate the moon's disk hung in a cloudless sky