- The journal of opinion is, by its very nature, predestined to become the organ of a party.
- The newspaper is the mouthpiece of the government.
- A flute with eight finger holes and a whistlelike mouthpiece.
- The manner in which the lips and tongue are applied to such a mouthpiece.
- The tip of the mouthpiece on a pipe or a cigarette or cigar holder.
- He'd only get a mouthpiece to spring him.