We found 18 dictionaries that define the word bellybutton:

General (14 matching dictionaries)

1. bellybutton: American Heritage Dictionary of the English Language
2. bellybutton: Collins English Dictionary
3. bellybutton: Vocabulary.com
4. bellybutton: Wordnik
5. bellybutton: Wiktionary
6. bellybutton: Webster's New World College Dictionary, 4th Ed.
7. bellybutton: The Wordsmyth English Dictionary-Thesaurus
8. bellybutton: Infoplease Dictionary
9. bellybutton: Dictionary.com
10. Bellybutton (album), Bellybutton: Wikipedia, the Free Encyclopedia
11. bellybutton: Rhymezone
12. bellybutton: FreeDictionary.org
13. bellybutton: Mnemonic Dictionary
14. bellybutton: TheFreeDictionary.com

Computing (1 matching dictionary)

15. bellybutton: Encyclopedia

Medicine (2 matching dictionaries)

16. Bellybutton: Merck Manuals
17. bellybutton: Medical dictionary

Slang (1 matching dictionary)

18. bellybutton: Urban Dictionary

(Note: See bellybuttons as well.)

Definitions from Wiktionary (bellybutton) ▸ noun:  (informal) The navel or umbilicus. Similar: navel, umbilicus, omphalos, omphalus, belly button, navel string, navel-string, bellyring, chest button, bellyband, more... Opposite: back, spine, rear, posterior ▸ Words similar to bellybutton ▸ Usage examples for bellybutton ▸ Idioms related to bellybutton ▸ Wikipedia articles (New!) ▸ Popular adjectives describing bellybutton ▸ Words that often appear near bellybutton ▸ Rhymes of bellybutton ▸ Invented words related to bellybutton