WordNet (r) 3.0 (2006):

chokehold
    n 1: complete power over a person or situation; "corporations
         have a stranglehold on the media"; "the president applied a
         chokehold to labor disputes that inconvenienced the public"
         [syn: stranglehold, chokehold, throttlehold]
    2: a restraining hold; someone loops the arm around the neck of
       another person in a tight grip, usually from behind; "he
       grabbed the woman in a chokehold, demanded her cash and
       jewelry, and then fled" [syn: chokehold, choke hold]