/ Dictionary / Index S sleepcoat: Meaning and Definition of Find definitions for: sleep•coat Pronunciation: (slēp'kōt"), [key] — n. a lightweight, knee-length garment for sleep or lounging, styled like a pajama top and having a sash. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sleep-away sleeper Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language