We found 33 dictionaries that define the word billow:

General (27 matching dictionaries)

1. billow: Merriam-Webster
2. billow: Oxford Learner's Dictionaries
3. billow: American Heritage Dictionary of the English Language
4. billow: Collins English Dictionary
5. billow: Vocabulary.com
6. Billow, billow: Wordnik
7. billow: Cambridge Advanced Learner's Dictionary
8. billow: Wiktionary
9. billow: Webster's New World College Dictionary, 4th Ed.
10. billow: The Wordsmyth English Dictionary-Thesaurus
11. billow: Infoplease Dictionary
12. Billow, billow: Dictionary.com
13. billow: Online Etymology Dictionary
14. billow: Cambridge Essential American English Dictionary
15. Billow: Wikipedia, the Free Encyclopedia
16. Billow: Online Plain Text English Dictionary
17. billow: Webster's Revised Unabridged, 1913 Edition
18. billow: Rhymezone
19. Billow: AllWords.com Multi-Lingual Dictionary
20. billow: Webster's 1828 Dictionary
21. billow: FreeDictionary.org
22. billow: Mnemonic Dictionary
23. billow: TheFreeDictionary.com
24. billow: Wikimedia Commons US English Pronunciations
25. billow: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

26. billow: Legal dictionary

Computing (1 matching dictionary)

27. billow: Encyclopedia

Medicine (1 matching dictionary)

28. billow: Medical dictionary

Miscellaneous (1 matching dictionary)

29. billow: Idioms

Slang (1 matching dictionary)

30. billow: Urban Dictionary

Tech (1 matching dictionary)

31. Lake and Water Word Glossary (No longer online)

(Note: See billowed as well.)

Definitions from Wiktionary ( ) ▸ noun:  A large wave, swell, surge, or undulating mass of something, such as water, smoke, fabric or sound ▸ verb:  To surge or roll in billows. ▸ verb:  To swell out or bulge. ▸ noun:  A surname. Similar: inflate, wallow, surge, balloon, heave, bellying, undulation, whelm, blow, wave, more... Types: gust, squall, breeze, zephyr, gale, whiff, puff, more... Phrases: billow out, billow cloud, billow angrily, more... Adjectives: great, huge, next, mighty, rolling, whooping, white, smoke, black, green, wild Colors:     azure,     cerulean,     sky blue,     turquoise,     teal, more... ▸ Word origin ▸ Words similar to billow ▸ Usage examples for billow ▸ Idioms related to billow ▸ Wikipedia articles (New!) ▸ Popular adjectives describing billow ▸ Words that often appear near billow ▸ Rhymes of billow ▸ Invented words related to billow