- rooms or a room having a washbowl, toilet, and other facilities for use by employees, visitors, etc., as in a store, theater, or office.
Origin of rest room
An Americanism dating back to 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for rest room
She relieved the attendant at the rest-room for an hour a day.
Not till she inspected the rest-room did she again become a fanatic.
She'll probably fix up the rest-room, and the rest-room is a fine thing, brings a lot of business to town.
We ladies—of course we were all farmers at first—we didn't expect any rest-room in those days.
- a room in a public building having lavatories, washing facilities, and sometimes couches