/ Dictionary / Index S simarouba: Meaning and Definition of Find definitions for: sim•a•rou•ba Pronunciation: (sim"u-r'bu), [key] — n. any tropical American tree belonging to the genus Simaruba, of the quassia family, having pinnate leaves, a fleshy fruit, and a root whose bark contains an appetite stimulant. the bark of this family of trees and shrubs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: simarouba (Thesaurus) simar simaroubaceous Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language