cloakroom

noun

1. A room intended for holding guests' cloaks and other heavy outerwear, as at a theater or night club.
2. (British, India, Ireland)A room intended for holding luggage, as at an airport.
3. A private lounge next to a legislative chamber.
4. (British, Ireland, euphemistic)A lavatory, now particularly a small secondary lavatory or a men's room.

   “Although there was a cloakroom on the ground floor, the Old Rectory had only one bathroom, a defect which necessitated embarrassed, low-voiced enquiries before anyone upset their carefully worked-out rota by taking an unexpected bath.”