We found 23 dictionaries that define the word out of doors:

General (19 matching dictionaries)

1. out of doors: Longman Dictionary of Contemporary English
2. out-of-doors, out of doors: Merriam-Webster
3. out of doors: Oxford Learner's Dictionaries
4. out-of-doors: American Heritage Dictionary of the English Language
5. out-of-doors, out-of-doors, out of doors: Collins English Dictionary
6. out-of-doors, out of doors: Vocabulary.com
7. out-of-doors: Wordnik
8. out of doors: Cambridge Advanced Learner's Dictionary
9. out-of-doors, out of doors: Wiktionary
10. out-of-doors: Webster's New World College Dictionary, 4th Ed.
11. out-of-doors: Infoplease Dictionary
12. Out of doors, out-of-doors, out of doors: Dictionary.com
13. out-of-doors: Cambridge Essential American English Dictionary
14. out-of-doors, out of doors: Rhymezone
15. out-of-doors, out of doors: FreeDictionary.org
16. out-of-doors, out of doors: Mnemonic Dictionary
17. out-of-doors, out of doors: TheFreeDictionary.com

Business (1 matching dictionary)

18. out-of-doors: Legal dictionary

Computing (1 matching dictionary)

19. out-of-doors: Encyclopedia

Medicine (1 matching dictionary)

20. out-of-doors: Medical dictionary

Miscellaneous (1 matching dictionary)

21. out-of-doors: Idioms

Definitions from Wikipedia (Out of Doors) ▸ noun:  a set of five piano solo pieces, Sz. 81, BB 89, written by Béla Bartók in 1926. Opposite: indoors, inside, interior Types: in open, in wild, in country, in woods, on range, outdoors, more... Phrases: opposite of out of doors, more... ▸ Words similar to out of doors ▸ Usage examples for out of doors ▸ Idioms related to out of doors ▸ Wikipedia articles (New!) ▸ Words that often appear near out of doors ▸ Rhymes of out of doors ▸ Invented words related to out of doors