A room in a hospital used for performing surgical operations.

Alternative spelling of locker room

The provision of food, drink and other refreshments to a guest room. / The department of a hotel that provides such a service.

A house which lets out furnished apartments. / A building with small, basic, inexpensive apartments for rent, often without en-suite bathrooms.

Alternative spelling of dayroom

A sitting-room in a big house, usually in the past, where people stayed in daylight only.

Alternative form of living room

Alternative form of sitting room

(Britain) A living-room; a room in a house where people pass the time in leisure.

A command center; a single location which serves as the point of coordination for military activities. / (by extension) A single location from which any activity is directed.