/ Dictionary / Index S service flat: Meaning and Definition of Find definitions for: serv'ice flat" Pronunciation: [key] — Brit. Brit. an apartment with complete hotel services. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. service entrance service line Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language