We found 28 dictionaries that define the word kazoo:

General (19 matching dictionaries)

1. kazoo: Merriam-Webster
2. kazoo: Oxford Learner's Dictionaries
3. kazoo: American Heritage Dictionary of the English Language
4. kazoo: Collins English Dictionary
5. kazoo: Vocabulary.com
6. Kazoo, kazoo: Wordnik
7. kazoo: Cambridge Advanced Learner's Dictionary
8. kazoo: Wiktionary
9. kazoo: Webster's New World College Dictionary, 4th Ed.
10. kazoo: The Wordsmyth English Dictionary-Thesaurus
11. kazoo: Infoplease Dictionary
12. Kazoo, kazoo: Dictionary.com
13. kazoo: Online Etymology Dictionary
14. Kazoo: Wikipedia, the Free Encyclopedia
15. kazoo: Rhymezone
16. kazoo: FreeDictionary.org
17. kazoo: Mnemonic Dictionary
18. kazoo: TheFreeDictionary.com
19. kazoo: Longman Dictionary of Contemporary English

Art (1 matching dictionary)

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

Computing (1 matching dictionary)

21. kazoo: Encyclopedia

Science (1 matching dictionary)

22. kazoo: LITTLE EXPLORERS(TM) Picture Dictionary

Slang (4 matching dictionaries)

23. kazoo: Green’s Dictionary of Slang
24. American-Australian Slang Dictionary (No longer online)
25. kazoo: The Folk File
26. kazoo: Urban Dictionary

Tech (2 matching dictionaries)

27. Rane Professional Audio Reference (No longer online)
28. Sweetwater Music (No longer online)

(Note: See kazooing as well.)

Definitions from Wiktionary (kazoo) ▸ noun:  (music) A simple musical instrument (a membranophone) consisting of a pipe with a hole in it, producing a buzzing sound when the player hums into it. ▸ verb:  To play the kazoo. Similar: gazoo, bazoo, gazooka, bugle, zing, sonizance, buzzer, key-bugle, kinura, zizz, more... Opposite: tuba Types: plastic kazoo, metal kazoo, wooden kazoo, electric kazoo, slide whistle kazoo, more... Colors:     yellow,     gold,     silver,     red,     blue, more... ▸ Word origin ▸ Words similar to kazoo ▸ Usage examples for kazoo ▸ Idioms related to kazoo ▸ Wikipedia articles (New!) ▸ Popular adjectives describing kazoo ▸ Words that often appear near kazoo ▸ Rhymes of kazoo ▸ Invented words related to kazoo