A room in a library set aside for the storage and use of maps.

A room in a school or business set aside for the copy machines.

(film) A room in which a film is edited to its final form.

A room in a building that houses the boiler(s) and similar equipment. / A compartment on a steamship that houses the boiler. / (informal) A telemarketing firm that makes cold calls.

A room in a building, such as an office building, set aside for the use of people to hold meetings.

A room in a home set aside for sewing.

A room used to grow plants. / A room used to house large machinery (plant), such as air-conditioning equipment.

A room in a home or hotel set aside for the use of visiting guests.

(nautical) A compartment on a ship in which the engine machinery is located. / (idiomatic) The source of power in a team or other group. / (sports) The midfield.

A room in a school set aside for instruction in the visual arts.