- 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.
- a lawyer, especially a criminal lawyer.
- 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
