Usage examples for gag:

• Maurice, did you bind and gag this excellent trooper?" "The Northern Iron 1907" – George A. Birmingham

• He is bound as before, and in his mouth there is a gag tied so, with a tight string, making him look almost as if he laughed." "A Tale of Two Cities A Story of the French Revolution" – Charles Dickens

• We now thought that we could with prudence take the gag out of his mouth, to try and learn from him what object he and his companion had in view, though we had little doubt about the matter. "With Axe and Rifle" – W.H.G. Kingston