Mutilate

v. t.
  1. To cut off or remove a limb or essential part of; to maim; to cripple; to disfigure; to hack; as, to mutilate the body, a statue, etc.
  2. To destroy or remove a material part of, so as to render imperfect; as, to mutilate the orations of Cicero.
  3. Mutilated gear, Mutilated wheel (Mach.),
    a gear wheel from a portion of whose periphery the cogs are omitted. It is used for giving intermittent movements.