mouthpiece

Definition

A part of any device that functions in or near the mouth, especially:

Etymology

From mouth + piece.

Example Sentences

• "The novel's protagonist serves as a mouthpiece for the author's political views."
• "Seeming “real” has been the aim since the earliest police procedurals, which began a long tradition of Hollywood productions acting as a mouthpiece for police departments."
• "Xi Jinping has told the People’s Liberation Army to “focus all its energy on fighting” in preparation for war, a Chinese Communist party mouthpiece has reported."