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