#hammer  a hand tool with a heavy rigid head and a handle; used to deliver an impulsive force by striking
  supertype:  hand_tool  a tool used with workers' hands
  part:  hammerhead  head.striker
  subtype:  ball-peen_hammer  a hammer with one round and one flat end; used in working metal
  subtype:  bricklayer's_hammer  a hammer used in laying bricks
  subtype:  carpenter's_hammer__carpenter'shammer__claw_hammer__clawhammer  a hammer with a cleft at one end for pulling nails
  subtype:  mallet.hammer__beetle  a tool resembling a hammer but with a large head (usually wooden); used to drive wedges or ram down paving stones or for crushing or beating or flattening or smoothing
     subtype:  carpenter's_mallet__carpenter'smallet  a short-handled mallet with a wooden head used to strike a chisel or wedge
     subtype:  gavel__hammer  a small mallet used by a presiding officer or a judge
  subtype:  maul__sledge__sledgehammer  a heavy long-handled hammer used to drive stakes or wedges
  subtype:  plexor__plessor  (medicine) a small hammer with a rubber head used in percussive examinations of the chest and in testing reflexes
  subtype:  tack_hammer  a light hammer that is used to drive tacks

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