armlock

Noun

 * 1) A wrestling move in which the opponent's arm is held immobile.
 * 2) Any of several distinct attacks against an opponent’s arm in martial arts.
 * 3)  Power to control or heavily influence something or someone.
 * 4) * 2012, The Economist, Sep 29th 2012 issue, Venezuela’s presidential election: The autocrat and the ballot box
 * Mr Chávez remains a formidable opponent. He has an armlock on the country’s institutions.

Translations

 * French:, clef de bras
 * Irish: glas ascaille
 * Portuguese: chave de braço
 * Russian: рыча́г ло́ктя

Verb

 * 1)  To hold in an armlock.