disk

Noun

• (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

• a flat circular plate

• something with a round shape resembling a flat circular plate
  • the moon's disk hung in a cloudless sky
    

Verb

• draw a harrow over (land)

Related words

• Synonyms: 
  magnetic disk , magnetic disc , disc , phonograph record , phonograph recording , record , platter , saucer , harrow