We found 35 dictionaries that define the word cumulus:

General (24 matching dictionaries)

1. cumulus: Merriam-Webster
2. cumulus: Oxford Learner's Dictionaries
3. cumulus: American Heritage Dictionary of the English Language
4. cumulus: Collins English Dictionary
5. cumulus: Vocabulary.com
6. Cumulus, cumulus: Wordnik
7. cumulus: Cambridge Advanced Learner's Dictionary
8. cumulus: Wiktionary
9. cumulus: Webster's New World College Dictionary, 4th Ed.
10. cumulus: The Wordsmyth English Dictionary-Thesaurus
11. cumulus: Infoplease Dictionary
12. cumulus: Dictionary.com
13. cumulus: Online Etymology Dictionary
14. Cumulus (disambiguation), Cumulus (software), Cumulus: Wikipedia, the Free Encyclopedia
15. Cumulus: Online Plain Text English Dictionary
16. cumulus: Webster's Revised Unabridged, 1913 Edition
17. cumulus: Rhymezone
18. Cumulus: AllWords.com Multi-Lingual Dictionary
19. cumulus: FreeDictionary.org
20. cumulus: Mnemonic Dictionary
21. cumulus: TheFreeDictionary.com
22. cumulus: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

23. cumulus: Legal dictionary

Computing (1 matching dictionary)

24. cumulus: Encyclopedia

Medicine (5 matching dictionaries)

25. cumulus: Merriam-Webster Medical Dictionary
26. Dorland's Illustrated Medical Dictionary (No longer online)
27. Cumulus: MedFriendly Glossary
28. online medical dictionary (No longer online)
29. cumulus: Medical dictionary

Sports (1 matching dictionary)

30. Cumulus: Sports Definitions

Tech (3 matching dictionaries)

31. Glossary of Meteorology (No longer online)
32. National Weather Service Glossary (No longer online)
33. SeaTalk Dictionary of English Nautical Language (No longer online)

(Note: See cumuli as well.)

Definitions from Wiktionary ( ) ▸ noun:  A large white, puffy cloud that develops through convection. ▸ noun:  A mound or heap. Similar: Cumulus cloud, cummie, cumulonimbus, cumulo-nimbus, altocumulus, cirrocumulus, roll cumulus, stackencloud, stratocumulus, cu-nim, more... Opposite: stratus, cirrus, nimbus Types: congestus, mediocris, stratocumulus, fractocumulus, castellanus, more... Phrases: cumulus clouds, Cumulus cloud, towering cumulus, cumulus congestus, trade cumulus, more... Adjectives: cirro, white, small, weather, large, primitive, heavy, fair, true, strato, scattered Colors:     white,     light gray,     sky blue,     pale blue,     soft pink, more... ▸ Word origin ▸ Words similar to cumulus ▸ Usage examples for cumulus ▸ Idioms related to cumulus ▸ Wikipedia articles (New!) ▸ Popular adjectives describing cumulus ▸ Words that often appear near cumulus ▸ Rhymes of cumulus ▸ Invented words related to cumulus