| 1. | a piece placed at or forming the mouth, as of a receptacle or tube. |
| 2. | 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. |
| 3. | the part of a bit or bridle, as for a horse, that passes through the animal's mouth. |
| 4. | a person, newspaper, etc., that conveys the opinions or sentiments of others; spokesperson. |
| 5. | Slang. a lawyer, esp. a criminal lawyer. |
mouth(piece)
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