mayhem

1. (law) The maiming of a person by depriving them of the use of any of their limbs which are necessary for defense or protection.Examples: "to commit mayhem"; "There is a story told of a case where a notorious character was charged with the unusual crime of “mayhem”—biting off another man's finger. The defendant's counsel secured adjournment after adjournment—no one knew why."; ""Well, it's a funny thing, but I can't get rid of the impression that at some point in my researches into the night life of London yestreen I fell upon some person to whom I had never been introduced and committed mayhem upon his person.""uncountableusually

2. (law) The crime of damaging things or harming people on purpose.uncountableusually