We found 2 dictionaries that define the word mouthpipe:

General (2 matching dictionaries)

1. mouthpipe: Merriam-Webster
2. mouthpipe: Wiktionary

Definitions from Wiktionary (mouthpipe) ▸ noun:  (music) Synonym of leadpipe ▸ Words similar to mouthpipe ▸ Usage examples for mouthpipe ▸ Idioms related to mouthpipe ▸ Wikipedia articles (New!) ▸ Popular adjectives describing mouthpipe ▸ Words that often appear near mouthpipe ▸ Rhymes of mouthpipe ▸ Invented words related to mouthpipe