(euphemistic, rare) A lavatory: a room intended for urination and defecation. / Used other than figuratively or idiomatically: see small, room.

plural of man's room

plural of women's room

plural of gentlemen's room

(historical) A waiting room in a railway station or other public building, often including a separate lavatory. / (euphemistic, dated) Synonym of men's room: a public lavatory intended for men.

(uncommon) Alternative form of bathroom in its various senses.

plural of bath room

Alternative form of cloakroom: a room for storing outerwear; a lavatory.

plural of cloak room

Alternative form of toilet room: a room for grooming; a lavatory.