expression, godan verb (-su)
gag someone
Literally 'to put a monkey's bit on someone'; idiomatic expression for gagging a person, often by tying a cloth over the mouth.
犯人は被害者に猿轡をかました。
The criminal gagged the victim.
誘拐された男性は猿轡をかまされてい
The kidnapped man had been gagged.