mouthpiece

From mouth +‎ piece.

• IPA^(key): /ˈmaʊθˌpiːs/

• Audio (US):

  (file)

mouthpiece (plural mouthpieces)

1. A part of any device that functions in or near the mouth, especially:
   1. The part of a telephone that is held close to the mouth.
   2. The part of a wind instrument that is held in or against the mouth.
2. (by extension) A spokesman; one who speaks on behalf of someone else.

   The novel's protagonist serves as a mouthpiece for the author's political views.

   • 2017 November 7, Eugene D., “Sutherland Springs Shooter Member of Far-Right Neo-Nazi Group “Atomwaffen””, in Medium‎^[1], archived from the original on 23 April 2023:

     It should be more than obvious that not only is this an instance of extreme projection, but that it appears to have been a pre-planned act of violence to some degree based on the coordination involved. The typical mouthpieces of the “alt-lite” with ties to the extremist right wing, Mike Cernovich, Jack Posobiec and others kicked it off, followed by Alex Jones on Infowars, who disseminated it to his far greater audience. Cernovich remains the originator of the initial claim that the shooter was a left-wing activist, which should prompt some questions about his own affiliations.

   • 2021 April 24, Adrian Horton, “‘The uprisings opened up the door’: the TV cop shows confronting a harmful legacy”, in The Guardian‎^[2], →ISSN:

     Seeming “real” has been the aim since the earliest police procedurals, which began a long tradition of Hollywood productions acting as a mouthpiece for police departments.

   • 2022 November 9, Verna Yu, “Xi Jinping tells China’s army to focus on preparation for war”, in The Guardian‎^[3]:

     Xi Jinping has told the People’s Liberation Army to “focus all its energy on fighting” in preparation for war, a Chinese Communist party mouthpiece has reported.

   • 2025 August 7, Zach Vasquez, “From puppy murder to racist podcasts: South Park’s anti-deportation episode is utterly ruthless TV”, in The Guardian‎^[4], →ISSN:

     Rightwing media mouthpieces and ICE get both barrels in South Park’s latest zeitgeist-capturing satire.

3. (slang) A lawyer for the defense.