Mouthpiece is a 10 letter English word. It's valid Scrabble word worth 19 points. It's valid Words with friends word worth 22 points.
You can make 422 anagrams from letters in mouthpiece (ceehimoptu).
First recorded in 1675-85; mouth + piece
For a second, I wondered if Specter himself was on the line, covering the mouthpiece with his hand.
The Professor removed his mouthpiece and cast the tube aside.
The voice was concentrated upon it by means of a mouthpiece and a diaphragm.
But those two years were not going to be wasted now—for Beth was to be his mouthpiece.
Three short breaths into the mouthpiece, and the line went dead.
He spoke into the mouthpiece by his head with an expressionless face.
“The idea was patently absurd that the show was a mouthpiece for any point of view,” he said.
In putting it thus, I but make myself the mouthpiece of the Court.
In her glowing description of stone throwing, she crosses the line of objectivity, becoming a mouthpiece rather than a reporter.
In both cases, when someone answered he was to blow three times into the mouthpiece, and then hang up.