coca
/ˈkəʊkə/noun
1- a tropical American shrub that is widely grown for its leaves, which are the source of cocaine古柯。
1.1
- Erythroxylum coca, family Erythroxylaceae.拉丁名Erythroxylum coca,古柯科。
1.2
- 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）。
词源
late 16th cent.: from Spanish, from Aymara kuka or Quechua koka.