/ Dictionary / Index O ouabain: Meaning and Definition of Find definitions for: oua•ba•in Pronunciation: (wä-bä'in), [key] — n. Pharm. a glycoside occurring as a white, crystalline powder, CHO, obtained from the seeds of a shrub, Strophanthus gratus, or from the wood of trees of the genus Acokanthera, and used in medicine chiefly as a cardiac stimulant. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ou Ouachita Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language