Mutilate
v. t.-
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. -
To destroy or remove a material part of, so as to render imperfect;
as, to .mutilate the orations of Cicero
a gear wheel from a portion of whose periphery the cogs are omitted. It is used for giving intermittent movements.

