noun
                                                a part that goes over or into the mouth of a person
                                                
                                                                                                Examples
                                                
                                                                                                        - the mouthpiece of a respirator
 
                                                                                        
                                                noun
                                                an acoustic device
                                                
                                                                                                Examples
                                                
                                                                                                        - the part of a telephone into which a person speaks
 
                                                                                        
                                                noun
                                                a spokesperson (as a lawyer)
                                                                                                Synonyms
                                                
                                                
                                                                                             
                                                                                        
                                                noun
                                                (especially boxing) equipment that protects an athlete's mouth
                                                                                                Synonyms
                                                
                                                
                                                                                             
                                                                                        
                                                noun
                                                the tube of a pipe or cigarette holder that a smoker holds in the mouth
                                                
                                                                                             
                                                                                        
                                                noun
                                                the aperture of a wind instrument into which the player blows directly
                                                                                                Synonyms