Definition from Wiktionary, the free dictionary
armlock (plural armlocks)
- A wrestling move in which the opponent's arm is held immobile
- Any of several distinct attacks against an opponent’s arm in martial arts
- (figuratively, by extension) Power to control or heavily influence something or someone.
- 2012, The Economist, Sep 29th 2012 issue, Venezuela’s presidential election: The autocrat and the ballot box
wrestling move rendering opponent's arm immobile