term:

Mayhem

mayhem n

[Anglo-French mahaim mahain, literally, mutilation, from Old French mahain, from mahaignier to injure, mutilate]
: willful and permanent crippling, mutilation, or disfigurement of any part of another's body
;also
: the crime of engaging in mayhem NOTE: Under the Model Penal Code and the codes of the states that follow it, mayhem is encompassed by assault and aggravated assault.

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.