a brownish-yellow, odorless, crystalline powder obtained from the wood or the trunk of the Brazilian tree Andira araroba, used as a source of chrysarobin.
Main Entry: Goa powder Pronunciation: "gO-&- Function: noun : a bitter powder found in the wood of a Brazilian leguminous tree (Vataireopsisararoba) and valued as the chief source of the drug chrysarobin called also araroba
