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.
Main Entry: Sim·a·rou·ba Pronunciation: "sim-&-'rü-b& Function: noun : a genus (the type of the family Simaroubaceae) oftropical American shrubs and trees having odd-pinnate leaves, pale light soft wood, and bitter bark sometimes used medicinally —compare QUASSIA 1
[sim-uh-roo-buh] 
