Synonyms for mouthpiece

The voice was concentrated upon it by means of a mouthpiece and a diaphragm.

The Professor removed his mouthpiece and cast the tube aside.

In putting it thus, I but make myself the mouthpiece of the Court.

But those two years were not going to be wasted now—for Beth was to be his mouthpiece.

He spoke into the mouthpiece by his head with an expressionless face.

"Yes, the mouthpiece—but the eyes and ears also, Weirmarsh," replied Sir Hugh.

The mouthpiece yet rested between his lips, but the lower lip was beginning to drop.

Talleyrand, the brain of the policy, was not its mouthpiece.

There is the danger of making the minister the mouthpiece of a party.

If you are the mouthpiece238 of the White, who is the mouthpiece of the Black?