a piece placed at or forming the mouth, as of a receptacle or tube.
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.
the part of a bit or bridle, as for a horse, that passes through the animal's mouth.
a person, newspaper, etc., that conveys the opinions or sentiments of others; spokesperson.
Slang. a lawyer, especially a criminal lawyer.

Origin of mouthpiece

First recorded in 1675–85; mouth + piece
Can be confusedambulance chaser mouthpiece pettifogger shyster Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for mouthpiece

spokeswoman, agent, spokesman, speaker, representative, delegate

Examples from the Web for mouthpiece

Contemporary Examples of mouthpiece

Historical Examples of mouthpiece

British Dictionary definitions for mouthpiece



the part of a wind instrument into which the player blows
the part of a telephone receiver into which a person speaks
the part of a container forming its mouth
a person who acts as a spokesman, as for an organization
a publication, esp a periodical, expressing the official views of an organization
boxing another name for gumshield
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for mouthpiece

also mouth-piece, 1680s, "casting fitted on an open end of a pipe, etc.," from mouth (n.) + piece (n.). Meaning "piece of a musical instrument that goes in the mouth" is from 1776. Sense of "one who speaks on behalf of others" is from 1805; in the specific sense of "lawyer" it is first found 1857.

Online Etymology Dictionary, © 2010 Douglas Harper