French bean
noun
1- Brit. a tropical American bean plant of which many varieties are commercially cultivated〈英〉菜豆, 四季豆。
1.1
- Phaseolus vulgaris, family Leguminosae: many varieties, including the haricot bean and the kidney bean.拉丁名Phaseolus vulgaris,豆科：多品种, 包括扁豆, 菜豆和四季豆。
1.2
- the seed of this plant used as food菜豆（或四季豆）的种子。