mouthpiece /ˈmaʊθˌpiːs/ noun7 •A part of any device that functions in or near the mouth. •A spokesman; one who speaks on behalf of someone else.The novel's protagonist serves as a mouthpiece for the author's political views. •(slang) A lawyer for the defense.The Robber had angrily demanded his mouthpiece and when the lawyer had finally been allowed to get to them they had been automatically sprung. — 1954 •The part of a telephone that is held close to the mouth."It's 'Soapy,' talking from somewhere down there," rapped out Nickle, covering the mouthpiece as he spoke back into the room. "Get Joolby if you can, one of you." — 1934 •The part of a wind instrument that is held in or against the mouth. •A bit. •A mouthguard. formsmouthpieces
