D defs.my
Entry 2 senses Webster, 1913

mayhem

/māh'-ĕmˌ/ · may·hem · IPA /ˈmeɪəm/
01 n. The maiming of a person by depriving him of the use of any of his members which are necessary for defense or protection. See Maim.
  1. 1.
    The maiming of a person by depriving him of the use of any of his members which are necessary for defense or protection. See Maim.(Law) See: Maim
  2. 2.
    Violent disorder, especially such as causes serious harm to persons or damage to property.