#disc__disk__saucer  something with a round shape like a flat circular plate
  supertype:  round_shape__roundshape  a shape that is curved and without sharp angles
  subtype:  intervertebral_disc__intervertebral_disk  a fibrocartilaginous disc serving as a cushion between all of the vertebrae of the spinal column (except between the first two)
  subtype:  dot__point  a very small circular shape; "a row of points"; "draw lines between the dots"

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