mouthpiece

American  

[mouth-pees] / ˈmaʊθˌpis /

noun

1. a piece placed at or forming the mouth, as of a receptacle or tube.

2. a piece or part, as of an instrument, to which the mouth is applied or which is held in the mouth.

   the mouthpiece of a trumpet.

3. the part of a bit or bridle, as for a horse, that passes through the animal's mouth.

4. a person, newspaper, etc., that conveys the opinions or sentiments of others; spokesperson.

5. Slang. a lawyer, especially a criminal lawyer.

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mouthpiece British  

/ ˈmaʊθˌpiːs /

noun

1. the part of a wind instrument into which the player blows

2. the part of a telephone receiver into which a person speaks

3. the part of a container forming its mouth

4. a person who acts as a spokesman, as for an organization

5. a publication, esp a periodical, expressing the official views of an organization

6. boxing another name for gumshield

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Etymology

Origin of mouthpiece

First recorded in 1675–85; mouth + piece

Example Sentences

She has effectively become Pyongyang's official mouthpiece for diplomacy with two nations typically viewed as "enemies".

From Barron's • Feb. 24, 2026

Jamie Dimon, ever the mouthpiece for traditional finance, maligned the industry as a fraud, a Ponzi scheme and a collection of pet rocks, among other colorful descriptors.

From The Wall Street Journal • Nov. 21, 2025

Chase had been guilty of that behavior before against the division rival Steelers, grabbing the mouthpiece of defensive back Ahkello Witherspoon and flipping off safety Minkah Fitzpatrick during a game in 2022.

From Los Angeles Times • Nov. 18, 2025

Ryan said he isn’t a mouthpiece for the administration and turned down some opportunities for access, including chances to visit the White House and interview cabinet members alongside reporters, because it wasn’t exclusive.

From The Wall Street Journal • Oct. 12, 2025

He felt his lips move, brushing the mouthpiece of the phone.

From "Fahrenheit 451" by Ray Bradbury