mouthpieces is a form of:

Mouthpiece



noun
1.
(The part of a device or musical instrument, etc., that is placed between or near the lips, a person periodical, etc., used by others to express their views) mouthpiece of a trumpet អណ្ដាត (គ្រឿងភ្លេងផ្លុំ)
2.
អ្នកសម្ដែងមតិអ្នកដទៃ, កាសែតសម្ដែងមតិអ្នកដទៃ
3.
(SLANG) Mouthpiece for an organization មេធាវី
ENGLISH MEANING
noun
1.
The part of a musical or other instrument to which the mouth is applied in using it; as, the mouthpiece of a bugle, or of a tobacco pipe.
2.
An appendage to an inlet or outlet opening of a pipe or vessel, to direct or facilitate the inflow or outflow of a fluid.
3.
One who delivers the opinion of others or of another; a spokesman; as, the mouthpiece of his party.