le·gume /ˈlɛˌgjum, lɪˈgjum/
 豆類,豆莢
 le·gume /ˈlɛgˌjum, lɪˈgjum/ 名詞
 豆莢,豆,豆科植物
 Leg·ume n.
 1. Bot. A pod dehiscent into two pieces or valves, and having the seed attached at one suture, as that of the pea.
 Note: ☞ In the latter circumstance, it differs from a siliqua, in which the seeds are attached to both sutures. In popular use, a legume is called a pod, or cod; as, pea pod, or peas cod.
 2. pl. The fruit of leguminous plants, as peas, beans, lupines; pulse.
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 legume
      n 1: an erect or climbing bean or pea plant of the family
           Leguminosae [syn: leguminous plant]
      2: the fruit or seed of any of various bean or pea plants
         consisting of a two-valved case that splits along both
         sides when ripe and having the seeds attached to one edge
         of the valves
      3: the seedpod of a leguminous plant (such as peas or beans or
         lentils)