Search Result for "headlock": 
Wordnet 3.0

NOUN (1)

1. a wrestling hold in which the opponent's head is locked between the crook of your elbow and the side of your body; 



The Collaborative International Dictionary of English v.0.48:

headlock \head"lock`\ (Sport), n.
   A wrestling hold in which the opponent's head is locked
   between the crook of your elbow and the side of your body.
   [WordNet 1.5]


WordNet (r) 3.0 (2006):

headlock
    n 1: a wrestling hold in which the opponent's head is locked
         between the crook of your elbow and the side of your body