#heel  the bottom of a shoe or boot; the back part of a shoe or boot that touches the ground
  supertype:  #underside__bottom__undersurface  the lower side of anything
  subtype:  #Cuban_heel  #French_heel  #spike_heel  #stacked_heel  #wedge_heel  #wineglass_heel
  part of:  #footgear__footwear  covering for a person's feet

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