/ Dictionary / Index S slipcase: Meaning and Definition of Find definitions for: slip•case Pronunciation: (slip'kās"), [key] — n. a box for a book or set of books, open on one side so that the spine is visible. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. slip carriage slip casting 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