We found 16 dictionaries that define the word bumblebees:

General (11 matching dictionaries)

1. bumblebees: Merriam-Webster
2. bumblebees: Collins English Dictionary
3. bumblebees: Vocabulary.com
4. Bumblebee's, Bumblebees, bumblebees: Wordnik
5. bumblebees: Cambridge Advanced Learner's Dictionary
6. bumblebees: Wiktionary
7. bumblebees: Dictionary.com
8. bumblebees: Cambridge Essential American English Dictionary
9. Bumblebees: Wikipedia, the Free Encyclopedia
10. bumblebees: FreeDictionary.org
11. Bumblebees: TheFreeDictionary.com

Computing (1 matching dictionary)

12. Bumblebees: Encyclopedia

Miscellaneous (1 matching dictionary)

13. Brilliant Dream Dictionary (No longer online)

Slang (3 matching dictionaries)

14. bumblebees: Green’s Dictionary of Slang
15. Bumblebees: Street Terms: Drugs and the Drug Trade
16. bumblebees: Urban Dictionary

(Note: See bumblebee as well.)

Definitions from Wiktionary (bumblebee) ▸ noun:  Any of several species of large bee in the genus Bombus. ▸ noun:  A mid yellow, sometimes slightly orange. ▸ Also see bumblebee Opposite: wasps, hornets, ants ▸ Words similar to bumblebees ▸ Usage examples for bumblebees ▸ Idioms related to bumblebees ▸ Wikipedia articles (New!) ▸ Popular adjectives describing bumblebees ▸ Words that often appear near bumblebees ▸ Rhymes of bumblebees ▸ Invented words related to bumblebees