(dated, 19th century) A large room in a theater, opera house, etc., where the audience may promenade or converse during the intermissions; a foyer.

The area inside a recording studio designed to facilitate the mixing of audio for studio recordings. / A room serving as the centre of monitoring a building, controlling an operation etc.

(historical) A waiting room in a railway station or other public building intended exclusively for women and usually including a separate women's lavatory.

(slang) inhalants

A lavatory intended for use by men, often including urinals in addition to toilets. / Other rooms intended for use by men, as waiting rooms, dressing rooms, locker rooms, etc.

(US, Canada) A room attached to an athletic, recreational, or workplace facility, filled with lockers for storage of clothing and equipment; clothes are generally changed there.

(informal) Characteristic of conversations held in locker rooms; that is boastful, juvenile, or explicitly sexual.

At a typical temperature of indoor surroundings (about 20 to 23ºC); neither heated nor chilled.

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

A room in a zoo in which reptiles are on display in cases.