a leguminous plant, especially one grown as a crop (尤指作物)豆科植物 ■a seed, pod, or other edible part of a leguminous plant used as food 豆,豆荚(或豆科植物其他可食部分) ■(Botany)the long seed pod of a leguminous plant (植)(豆科植物的)长豆荚
语源
mid 17th cent. (denoting the edible portion of the plant): from French légume, from Latin legumen, from legere 'to pick' (because the fruit may be picked by hand)