We found 23 dictionaries that define the word mouth organ:

General (19 matching dictionaries)

1. mouth organ: Longman Dictionary of Contemporary English
2. mouth organ: Merriam-Webster
3. mouth organ: Oxford Learner's Dictionaries
4. mouth organ: American Heritage Dictionary of the English Language
5. mouth organ: Collins English Dictionary
6. mouth organ: Vocabulary.com
7. mouth-organ, mouth organ: Wordnik
8. mouth organ: Cambridge Advanced Learner's Dictionary
9. mouth organ: Wiktionary
10. mouth organ: The Wordsmyth English Dictionary-Thesaurus
11. mouth organ: Infoplease Dictionary
12. Mouth organ, mouth organ: Dictionary.com
13. Mouth organ (disambiguation), Mouth organ: Wikipedia, the Free Encyclopedia
14. mouth organ: Rhymezone
15. mouth organ: FreeDictionary.org
16. mouth organ: Mnemonic Dictionary
17. mouth organ: TheFreeDictionary.com

Art (1 matching dictionary)

18. Virginia Tech Multimedia Music Dictionary (No longer online)

Computing (1 matching dictionary)

19. mouth organ: Encyclopedia

Slang (2 matching dictionaries)

20. mouth organ: The Folk File
21. mouth organ: Urban Dictionary

(Note: See mouth_organs as well.)

Definitions from Wiktionary (mouth organ) ▸ noun:  The harmonica. ▸ noun:  The panpipes. ▸ noun:  The Jew's harp. Similar: harmonica, harp, mouth harp, mouthorgan, mouth-organ, mouth organist, melodeon, melodeum, melodyhorn, mandola, more... ▸ Words similar to mouth organ ▸ Usage examples for mouth organ ▸ Idioms related to mouth organ ▸ Wikipedia articles (New!) ▸ Words that often appear near mouth organ ▸ Rhymes of mouth organ ▸ Invented words related to mouth organ