[ mouth-pees ]
/ ˈmaʊθˌpis /


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 confused

ambulance chaser mouthpiece pettifogger shyster Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mouthpiece

British Dictionary definitions for mouthpiece


/ (ˈmaʊθˌpiːs) /


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