We found 26 dictionaries that define the word clean out:

General (14 matching dictionaries)

1. clean out: Merriam-Webster
2. clean out: Collins English Dictionary
3. clean out: Vocabulary.com
4. clean-out: Wordnik
5. clean out: Wiktionary
6. clean out: Dictionary.com
7. Clean Out: Wikipedia, the Free Encyclopedia
8. clean out: Rhymezone
9. clean out: FreeDictionary.org
10. clean out: Mnemonic Dictionary
11. clean-out, clean out: TheFreeDictionary.com
12. clean out: Longman Dictionary of Contemporary English

Business (3 matching dictionaries)

13. Construction Term Glossary (No longer online)
14. clean out: Legal dictionary
15. clean out: Financial dictionary

Computing (1 matching dictionary)

16. clean out: Encyclopedia

Medicine (1 matching dictionary)

17. clean out: Medical dictionary

Miscellaneous (1 matching dictionary)

18. clean out: Idioms

Slang (1 matching dictionary)

19. clean out: Green’s Dictionary of Slang

Sports (1 matching dictionary)

20. Clean Out: Poker Terms

Tech (4 matching dictionaries)

21. Glossary of Common Hearth and Heating Terms (No longer online)
22. Clean out: Construction Glossary
23. Schlumberger Oilfield Glossary (No longer online)
24. Oil and Gas Well Drilling and Servicing eTool (No longer online)

(Note: See clean_outs as well.)

Definitions from Wiktionary (clean out) ▸ verb:  (transitive) To clean, especially to tidy by removing the contents. ▸ verb:  (transitive, slang) To take all money or possessions from. ▸ verb:  (transitive, dated, slang) To hit or strike (someone); to beat up. ▸ verb:  To defeat, to cause to wash out. Similar: clear out, drive out, clean up, clear away, declutter, clean, empty out, clear up, cleanse, houseclean, more... Opposite: fill up, pack, stock, clutter Types: declutter, purge, minimize, get rid of, toss, recycle, donate, more... Phrases: to clean out, more... Adjectives: clean, cleane, clear, cleer, cast-off, spruce, cut out, out, pull-out, street, offcut ▸ Words similar to clean out ▸ Usage examples for clean out ▸ Idioms related to clean out ▸ Wikipedia articles (New!) ▸ Words that often appear near clean out ▸ Rhymes of clean out ▸ Invented words related to clean out