Noah Webster's New International Dictionary of the English Language

1. (v.) To disfigure; to cripple; to deprive an important part.

2. (a.) Having finlike appendages or flukes instead of legs, as a cetacean.

3. (n.) A cetacean, or a sirenian.

4. (v. t.) To cut off or remove a limb or essential part of; to maim; to cripple; to hack; as, to mutilate the body, a statue, etc.

5. (v. t.) To destroy or remove a material part of, so as to render imperfect; as, to mutilate the orations of Cicero.