chufa
/ˈtʃuːfə/noun
1- an Old World sedge which yields an edible tuber. It is cultivated on a small scale, particularly in some marshy regions of Spain and Italy.铁荸荠, 地栗, 油莎豆, 油莎草。亦称TIGER NUT.
1.1
- Cyperus esculentus var. sativus, family Cyperaceae.拉丁名Cyperus esculentus var. sativus,莎草科。
1.2
- mass noun the tuber of this plant, which may be roasted, made into flour, or turned into juice铁荸荠, 油莎果（可烤食, 磨粉, 制果汁）。
词源
mid 19th cent.: from Spanish.