vetches is vetch's Plural Form

vetch

US [vetʃ]
UK [vetʃ]
  • n.【植】巢菜(属);箭筈豌豆
  • Web野豌豆;野碗豆;巢菜属野豌豆
Plural Form:vetches  
n.
1.
【植】巢菜(属);箭筈豌豆,大巢菜,苕子