alfalfa
/ælˈfælfə/noun
1- a leguminous plant with clover-like leaves and bluish flowers, native to SW Asia and widely grown for fodder紫苜蓿, 苜蓿。亦称LUCERNE.
1.1
- Medicago sativa, family Leguminosae.拉丁名 Medicago sativa, 豆科。
词源
mid 19th cent.: from Spanish， from Arabic al-fasfa-sa, 'a green fodder'.