noun. Any of several trees and shrubs of the genus Cinchona, native chiefly to the Andes and cultivated for bark that yields the medicinal alkaloids quinine and quinidine, which are used to treat malaria.

noun. The dried bark of any of these plants.

noun. Any of several South American trees, of the genus Cinchona, cultivated for its medicinal bark.

noun. The bark of these trees, that yields quinine alkaloids used to treat malaria.

"The name cinchona is derived from that of the wife of a viceroy of Peru, who is said to have taken the drug from South America to Europe in"