Quinine

kwin'tn, n. an alkaline substance, ob- tained from the bark of the Cinchona tree, much used in medicine in the treatment of agues and fevers. [Fr. —Peruvian kina, bark. Quinquag68lma, kwin-kwa-jes'i-ma, adj.,JiJtieth, applied lo the Sunday 50 days before Easter. [L. quiuquaginta fifty—quinque, five.]