We found 30 dictionaries that define the word co-op:

General (20 matching dictionaries)

1. co-op: Merriam-Webster
2. co-op: Oxford Learner's Dictionaries
3. co-op: American Heritage Dictionary of the English Language
4. co-op, co-op: Collins English Dictionary
5. co-op: Vocabulary.com
6. CO-OP, Co-Op, Co-op, co-op: Wordnik
7. co-op: Cambridge Advanced Learner's Dictionary
8. Co-op, co-op: Wiktionary
9. co-op: Webster's New World College Dictionary, 4th Ed.
10. co-op: The Wordsmyth English Dictionary-Thesaurus
11. co-op: Infoplease Dictionary
12. co-op: Dictionary.com
13. co-op: Cambridge Essential American English Dictionary
14. Co-Op, Co-op, The co-op: Wikipedia, the Free Encyclopedia
15. co-op: Rhymezone
16. co-op: FreeDictionary.org
17. co-op: Mnemonic Dictionary
18. co-op: TheFreeDictionary.com

Business (4 matching dictionaries)

19. co-op: Merriam-Webster Legal Dictionary
20. The Co-op, The Co-op, co-op: Legal dictionary
21. The Co-op, The Co-op, co-op: Financial dictionary
22. Co-op: Radio Programming and Production

Computing (1 matching dictionary)

23. The Co-op, The Co-op, co-op: Encyclopedia

Medicine (1 matching dictionary)

24. co-op: Medical dictionary

Miscellaneous (2 matching dictionaries)

25. CO-OP: Acronym Finder
26. AbbreviationZ (No longer online)

Slang (2 matching dictionaries)

27. co-op: Green’s Dictionary of Slang
28. The Co-Op, co-op: Urban Dictionary

(Note: See co-oping as well.)

Definitions from WordNet (co-op) ▸ noun:  a jointly owned commercial enterprise (usually organized by farmers or consumers) that produces and distributes goods and services and is run for the benefit of its owners Similar: cooperative, common area, condominium, body corporate, cooperage, kommunalka, cohabitation, community, house-commune, apartment complex, more... Opposite: corporation, individualism, competition Phrases: co-op (disambiguation), the co-op, Mountain Equipment Co-op, Co-op Food, Co-op City, Bronx, more... Colors:     red,     green,     blue,     yellow,     orange, more... ▸ Words similar to co-op ▸ Usage examples for co-op ▸ Idioms related to co-op ▸ Wikipedia articles (New!) ▸ Popular adjectives describing co-op ▸ Words that often appear near co-op ▸ Rhymes of co-op ▸ Invented words related to co-op