disc

Noun

• a flat circular plate

• (computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored

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

• sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove

Related words

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