What is another word for mouthpiece?
Pronunciation: [mˈa͡ʊθpiːs] (IPA) 
Mouthpiece refers to a device used to produce sound on a musical instrument or a part of a telephone receiver meant for talking. However, it is also used to describe a person who speaks out for someone else as their representative or advocate. Some synonyms for mouthpiece include spokesperson, representative, advocate, agent, emissary, delegate, and proxy. These terms all refer to a person who speaks on behalf of someone, an organization, or a cause. Synonyms for mouthpiece in a musical context include reed, mouthpipe, and mouth hole. In telecommunications, it is also referred to as a handset or earpiece.
