#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
  part:  #head.projection  #nailhead  #shank.cylinder
  subtype:  #brad  a small nail
  subtype:  #clout_nail__cloutnail__clout  a short nail with a flat head; used to attach sheet metal to wood
  subtype:  #doornail  a nail with a large head; formerly used to decorate doors
  subtype:  #eightpenny_nail  a nail 2.5 inches long
  subtype:  #fourpenny_nail__fourpennynail  a nail 1.5 inches long
  subtype:  #hobnail  a short nail with a thick head; used to protect the soles of boots
  subtype:  #sixpenny_nail  a nail 2 inches long
  subtype:  #spike.nail  a long metal nail
  subtype:  #staple.nail  a short U-shaped wire nail for securing cables
  subtype:  #stub_nail  a short thick nail
  subtype:  #tack.nail  a short nail with a sharp point and a large head
     subtype:  #carpet_tack  used to nail down carpets
     subtype:  #thumbtack__drawing_pin__drawingpin__pushpin  a tack for attaching papers to a bulletin board or drawing board
     subtype:  #tintack  tack or small nail of tinned iron
  subtype:  #tenpenny_nail  a nail 3 inches long

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