English Dictionary

mouthpiece

/ˈmaʊθˌpiːs/

noun

The part of a telephone that is held close to the mouth. / The part of a wind instrument that is held in or against the mouth. / A spokesman; one who speaks on behalf of someone else.

He put the mouthpiece on the trumpet and started playing.

意味（1）

The part of a telephone that is held close to the mouth.

意味（2）

The part of a wind instrument that is held in or against the mouth.

意味（3）

A spokesman; one who speaks on behalf of someone else.

The novel's protagonist serves as a mouthpiece for the author's political views.

意味（4）

(slang) A lawyer for the defense.