Mouthpiece

n.	1.	The part of a musical or other instrument to which the mouth is applied in using it; as, the mouthpiece of a bugle, or of a tobacco pipe.
	2.	An appendage to an inlet or outlet opening of a pipe or vessel, to direct or facilitate the inflow or outflow of a fluid.
	3.	One who delivers the opinion of others or of another; a spokesman; as, the mouthpiece of his party. Egmont was imprudent enough to make himself the mouthpiece of their remonstrance. - Motley.
	4.	A person's lawyer.

Noun	1.	mouthpiece - a part that goes over or into the mouth of a person; "the mouthpiece of a respirator"
	2.	mouthpiece - an acoustic device; the part of a telephone into which a person speaks
	3.	mouthpiece - a spokesperson (as a lawyer) Synonyms: mouth
	4.	mouthpiece - (especially boxing) equipment that protects an athlete's mouth Synonyms: gumshield
	5.	mouthpiece - the tube of a pipe or cigarette holder that a smoker holds in the mouth
	6.	mouthpiece - the aperture of a wind instrument into which the player blows directly Synonyms: embouchure

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