Oxford Dictionary English operating theatre nounnoun BrE BrE//ˈɒpəreɪtɪŋ θɪətə(r)// ; NAmE NAmE//ˈɑːpəreɪtɪŋ θiːətər// (also theatre) (both British English) (North American English operating room) Hospitals Add to my wordlistjump to other results a room in a hospital used for medical operations See related entries: HospitalsCheck pronunciation: operating theatre oxfordlearnersdictionaries.com
