jack bean
noun
1- a tropical American climbing plant of the pea family, which yields an edible bean and pod and is widely grown for fodder in tropical countries刀豆。
1.1
- Genus Canavalia, family Leguminosae: in particular C. ensiformis.刀豆属, 豆科, 尤指拉丁名C. ensiformis的直生刀豆。
1.2
- the seed of this plant刀豆种子。