mouthpiece
nounUK /ˈmaʊθpiːs/
US /ˈmaʊθpiːs/
The part of a thing that you put in or near your mouth.
He put the mouthpiece of the trumpet to his lips.
RELATED WORDS
OTHER MEANINGS
2. A person who speaks for a group or another person.
The coach was the mouthpiece for the whole team.
3. The part of a telephone or radio that you speak into.
She held the mouthpiece close and said hello.
4. The part of a pipe or breathing tube that goes into the mouth.
The diver cleaned the mouthpiece before using it.