mouthpiece

noun

mouth·​piece ˈmau̇th-ˌpēs How to pronounce mouthpiece (audio)
1
: something placed at or forming a mouth
2
: a part (as of an instrument) that goes in the mouth or to which the mouth is applied
3
a
: one that expresses or interprets another's views : spokesman
b
slang : a criminal lawyer

Examples of mouthpiece in a Sentence

the mouthpiece of a trumpet He's been acting as a mouthpiece for the government on questions of foreign policy. The company has hired an attorney as a mouthpiece to answer its critics.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Brown was the more effective striker during the exchanges in the second stanza, using his length and power to hurt Dalby before Dalby bit down on his mouthpiece and charged forward, only to be dropped face-first to the canvas with a nasty right. Trent Reinsmith, Forbes.com, 26 Apr. 2025 Notably, under Vince McMahon's previous leadership, Omos was a more regular fixture on television, often paired with MVP as his mouthpiece. Thomas G. Moukawsher, MSNBC Newsweek, 16 Apr. 2025 Key Ingredients: Hydrogen peroxide, carbamide peroxide Type: LED whitening mouthpiece, teeth whitening pen Number of Treatments Included: N/A How to Use: Brush your teeth, apply the Diamond Serum using the wand, then wear the LED mouthpiece for 10 to 30 minutes. Iman Balagam, Vogue, 13 Apr. 2025 And the People’s Daily, the Communist Party’s mouthpiece, published a commentary on Sunday urging Chinese citizens to have confidence in China’s ability to weather the tariffs. David Pierson, New York Times, 8 Apr. 2025 See All Example Sentences for mouthpiece

Word History

First Known Use

1673, in the meaning defined at sense 1

Time Traveler
The first known use of mouthpiece was in 1673

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Cite this Entry

“Mouthpiece.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mouthpiece. Accessed 3 May. 2025.

Kids Definition

mouthpiece

noun
mouth·​piece -ˌpēs How to pronounce mouthpiece (audio)
1
: the part put to, between, or near the lips
the mouthpiece of a trumpet
the mouthpiece of a telephone
2
: someone who expresses another person's ideas : spokesperson

More from Merriam-Webster on mouthpiece

Last Updated: - Updated example sentences
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