/ Dictionary / Index S sleeping partner: Meaning and Definition of Find definitions for: sleep'ing part'ner Pronunciation: [key] — Brit. Brit. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sleeping chair sleeping pill Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language