mouthpiece

American  

[mouth-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

Etymology

Origin of mouthpiece

First recorded in 1675–85; mouth + piece

Example Sentences

See Examples For:

mouthpiece mouthpieces

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

However, the PLA Daily -- the Chinese military's mouthpiece -- said they were "corrupt elements" in a front-page editorial published Monday.

From Barron's ● Feb. 2, 2026

As well as being one of only three carnyces found in Britain, it was "the most complete carnyx ever found, with the pipe, mouthpiece and bell all uniquely intact", he added.

From BBC ● Jan. 7, 2026

Below, the actor from Arkansas, 70, talks about being a mouthpiece for Sheridan, smoking on the job and how his dyslexia and obsessive compulsive disorder influence the way he memorizes lines.

From The Wall Street Journal ● Dec. 6, 2025

"It's time you were fitted for that custom-made mouthpiece."

From "The Contender" by Robert Lipsyte

Officers also found several empty gas canisters, with mouthpieces on, inside another vehicle when it was stopped.

From BBC ● Apr. 17, 2026

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

They serve as a kind of packing material in which academics, bureaucrats, and corporate mouthpieces clad their subject matter.

From "The Sense of Style" by Steven Pinker