/ Dictionary / Index S sapindaceous: Meaning and Definition of Find definitions for: sap•in•da•ceous Pronunciation: (sap"in-dā'shus), [key] — adj. belonging to the Sapindaceae, the soapberry family of plants. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sapiential Sapir 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