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Dictionary definition for: Mouthpiece
1. (n) a part that goes over or into the mouth of a person; "the mouthpiece of a respirator"
2. (n) an acoustic device; the part of a telephone into which a person speaks
3. (n) a spokesperson (as a lawyer)
4. (n) (especially boxing) equipment that protects an athlete''s mouth
5. (n) the tube of a pipe or cigarette holder that a smoker holds in the mouth
6. (n) the aperture of a wind instrument into which the player blows directly
WordNet 2.1 Copyright Princeton University. All rights reserved.