mouthpiece /ˈmaʊθˌpiːs/ noun plural mouthpieces
plural mouthpieces
Learner's definition of MOUTHPIECE
[count]
1
: a part of something that is placed between or near your lips(电话的)话筒;(乐器的)吹口;(烟斗的)咬嘴 2
: someone who speaks for another person or for a group or organization发言人;喉舌