mouthpiece

American  

[mauth-pees] / ˈmaʊθˌpis /

noun

• mouthpieces
  plural

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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Other Word Forms

Noun Inflected Forms

• mouthpieces
  plural

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Etymology

Origin of mouthpiece

First recorded in 1675–85; mouth + piece

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Example Sentences

See Examples For:

mouthpiece mouthpieces

Having someone as clumsy as Zacharia for a mouthpiece makes it easier to tell which is which.

From Slate ● Oct. 15, 2026

Kit Connor says working as a producer on the film alongside Joe Locke allowed them to be a "mouthpiece for the cast"

From BBC ● Jul. 16, 2026

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

From Barron's ● Feb. 24, 2026

“It’s not to be a mouthpiece for anybody. It’s simply to be a mouthpiece for fairness and the pursuit of truth.”

From Los Angeles Times ● Jan. 27, 2026

I press my lips flat on the cold mouthpiece and blow softly—not enough, and the note leaks out, like a tire deflating.

From "Muffled" by Jennifer Gennari

The company may also be getting loyal mouthpieces.

From Slate ● Apr. 7, 2026

Ms. Takaichi had the temerity to say so in November, and Beijing’s mouthpieces attacked her for it.

From The Wall Street Journal ● Dec. 30, 2025

It supports a wide range of accessories—from glass mouthpieces to bubblers and dosing capsules.

From Salon ● Apr. 18, 2025

Amazon and its mouthpieces in Congress have made much of the fact that Khan has had Amazon’s number for years.

From Los Angeles Times ● Sep. 28, 2023

If it is possible, have a reed player and a brass player demonstrate to you the sounds that their mouthpieces make without the instrument.

From "Understanding Basic Music Theory" by Catherine Schmidt-Jones and Russel Jones

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