- a specially equipped room, usually in a hospital, where surgical procedures are performed. Abbreviation: OR
Origin of operating room
Examples from the Web for operating room
Historical Examples of operating room
Carlotta Harrison pleaded a headache, and was excused from the operating-room and from prayers.
When are you going to put my protegee into the operating-room?
Two reasons had prompted Wilson to request to have Sidney in the operating-room.
He was in high spirits that first day of Sidney's operating-room experience.
She has been waiting for hours—ever since you went to the operating-room.
- A room equipped for performing surgical operations.