vetch /ˈvɛʧ/
  野豌豆
  Vetch n.  Bot. Any leguminous plant of the genus Vicia, some species of which are valuable for fodder. The common species is Vicia sativa.
  Note: ☞ The name is also applied to many other leguminous plants of different genera; as the chichling vetch, of the genus Lathyrus; the horse vetch, of the genus Hippocrepis; the kidney vetch (Anthyllis vulneraria); the milk vetch, of the genus Astragalus; the licorice vetch, or wild licorice (Abrus precatorius).
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  vetch
       n : any of various climbing plants of the genus Vicia having
           pinnately compound leaves that terminate in tendrils and
           small variously colored flowers; includes valuable forage
           and soil-building plants