/ Dictionary / Index R room service: Meaning and Definition of Find definitions for: room' serv"ice Pronunciation: [key] the serving of food, drinks, etc., to a guest in his or her room, as at a hotel. the department or section, as at a hotel, responsible for rendering this service. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. room mother roomy Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language