We found 26 dictionaries that define the word operating room:

General (19 matching dictionaries)

1. operating room: Longman Dictionary of Contemporary English
2. operating room: Merriam-Webster
3. operating room: Oxford Learner's Dictionaries
4. operating room: American Heritage Dictionary of the English Language
5. operating room: Collins English Dictionary
6. operating room: Vocabulary.com
7. operating-room: Wordnik
8. operating room: Cambridge Advanced Learner's Dictionary
9. operating-room, operating room: Wiktionary
10. operating room: Infoplease Dictionary
11. operating room: Dictionary.com
12. Operating Room, Operating room: Wikipedia, the Free Encyclopedia
13. operating room: Rhymezone
14. Operating Room: American-Britih Dictionary
15. operating room: FreeDictionary.org
16. operating room: Mnemonic Dictionary
17. operating room: TheFreeDictionary.com

Business (2 matching dictionaries)

18. Construction Term Glossary (No longer online)
19. operating room: Legal dictionary

Computing (1 matching dictionary)

20. operating room: Encyclopedia

Medicine (4 matching dictionaries)

21. Dorland's Illustrated Medical Dictionary (No longer online)
22. Operating room: MedTerms.com Medical Dictionary
23. operating room: Medical dictionary
24. Operating room: Drug Medical Dictionary

(Note: See operating_rooms as well.)

Definitions from Wiktionary (operating room) ▸ noun:  A room in a hospital used for performing surgical operations. Similar: operating theatre, surgery, Operating theater, operating room table, operating-room table, office, consulting room, outroom, workroom, plant room, more... Opposite: recovery room, patient room, waiting room, exam room Phrases: operating room emergency, operating room nursing, operating room technicians, operating room table, Hybrid operating room, more... Adjectives: backroom, semiprivate, conservatory, walk-in, breakout, room, preservatory, factory, bedroomed, multiple, store-bought ▸ Words similar to operating room ▸ Usage examples for operating room ▸ Idioms related to operating room ▸ Wikipedia articles (New!) ▸ Words that often appear near operating room ▸ Rhymes of operating room ▸ Invented words related to operating room