1. A part that goes over or into the mouth of a person
   "the mouthpiece of a respirator"
    
2. An acoustic device; the part of a telephone into which a person speaks
   "She held the mouthpiece closer to speak more clearly into the phone"
    
3. The aperture of a wind instrument into which the player blows directly
   "The trumpet player's mouthpiece was perfect";
   - embouchure
    
4. (especially boxing) equipment that protects an athlete's mouth
   "The boxer inserted his mouthpiece before entering the ring";
   - gumshield [Brit]
    
5. The tube of a pipe or cigarette holder that a smoker holds in the mouth
   "He cleaned the mouthpiece of his pipe before refilling it with tobacco"
    
6. A spokesperson (as a lawyer)
   "The lawyer acted as a mouthpiece for his client during the press conference";
   - mouth

Derived forms: mouthpieces

Type of: acoustic device, aperture, interpreter, representative, spokesperson, sports equipment, tube, tubing, voice

Part of: breath, cigarette holder, inhalator, phone, pipe, respirator, telephone, telephone set, tobacco pipe, wind, wind instrument

Encyclopedia: Mouthpiece