#pillow  a cushion to support the head of a sleeping person
  supertype:  #cushion  a soft bag filled with air or a mass of padding such as feathers or foam rubber etc.
  subtype:  #bed_pillow__bedpillow  a soft pillow for use on a bed
  subtype:  #bolster__long_pillow__longpillow  a pillow that is often put across a bed underneath the regular pillows

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