/ Dictionary / Index S steapsin: Meaning and Definition of Find definitions for: ste•ap•sin Pronunciation: (stē-ap'sin), [key] — n. Biochem. the lipase present in pancreatic juice. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ste. Anne de Beaupré stear- Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language