From Longman Dictionary of Contemporary Englishcloakroomcloak‧room /ˈkləʊkrʊm, -ruːm $ ˈkloʊk-/ noun [countable] 1 DLTBBa small room where you can leave your coat SYN coatroom American English2 British EnglishTOILET a room in a public building where there are toilets – used when you want to be polite SYN rest room American English Where’s the ladies’ cloakroom?
Examples from the Corpus
cloakroom• Both the counterfoil and the voting slip have identical numbers printed on them similar to a cloakroom or raffle tickets.• Gingrich himself dragged some of the defectors into the House cloakroom for one last arm twist.• Ten minutes later as she sat in the Ladies' cloakroom, smelling-salts to her nose, Sophie joined her.• An entrance porch, cloakrooms and lavatories made up the rest of the accommodation.• That betraying look in her eyes in the cloakroom just now must have told him he'd won again.• Until now, when one sat here in the cloakroom, surrounded by old raincoats, shaking as though struck down by fever.• She presides over the cloakroom, which is in a hallway under the stairs of the adjacent building.• Leaving the box, she went to the cloakroom where she was violently and unexpectedly sick. 