a tropical American shrub that is widely grown for its leaves, which are the source of cocaine
古柯。
[mass noun]the dried leaves of this shrub, which are mixed with lime and chewed as a stimulant by the native people of western South America
古柯叶(南美西部土著将它与酸橙汁混合后当作兴奋剂咀嚼)。
"late 16th cent.: from Spanish, from Aymara