broad bean /ˈbrɔdˌbɪn/ 名詞
  蠶豆
  broad bean
       n 1: seed of the broad-bean plant [syn: fava bean, horsebean]
       2: Old World upright plant grown especially for its large flat
          edible seeds but also as fodder [syn: broad-bean, broad-bean
          plant, English bean, European bean, field bean, Vicia
          faba]
       3: a bean plant cultivated for use animal fodder [syn: horse
          bean]
       4: shell beans cooked as limas [syn: fava bean]