/ Dictionary / Index R rest room: Meaning and Definition of Find definitions for: rest' room" Pronunciation: [key] rooms or a room having a washbowl, toilet, and other facilities for use by employees, visitors, etc., as in a store, theater, or office. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: restroom (Thesaurus) restrike restructure Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language