#nail  a thin pointed piece of metal that is hammered into materials as a fastener
  supertype:  #holdfast__fastener__fastening  restraint that attaches to something or holds something in place
  subtype:  #brad  #clout_nail  #doornail  #eightpenny_nail  #fourpenny_nail  #hobnail  #sixpenny_nail  #spike.nail  #staple.nail  #stub_nail  #tack.nail  #tenpenny_nail
  part:  #head.projection  a projection out from one end; "the head of the nail", "a pinhead is the head of a pin"
  part:  #nailhead  flattened boss on the end of nail opposite to the point
  part:  #shank.cylinder__stem  cylinder forming a long narrow part of something

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