1.NounA grappling hold around a person's neck, especially one in which the neck is grasped tightly from behind with an arm, cutting off the flow of blood to the brain and restricting breathing.
"He put his opponent in a chokehold."
2.NounA powerful and restrictive control or influence over something.
"One country has a chokehold on another country's economy."
3.VerbTo put a hold around the neck of (someone), especially one in which the neck is grasped tightly from behind with an arm.
4.VerbTo exert tight, restrictive, control over someone or something.