saucer

Noun

• a disk used in throwing competitions

• directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation

• a small shallow dish for holding a cup at the table

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

Related words

• Synonyms: 
  discus , dish , dish aerial , dish antenna , disk , disc