Definitions of disk:

  • noun:   a flat circular plate
  • noun:   something with a round shape like a flat circular plate
  • noun:   (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored
  • noun:   sound recording consisting of a disc with continuous grooves; formerly used to reproduce music by rotating while a phonograph needle tracked in the grooves
  • verb:   draw a harrow over (land)