名詞 horsebean:

1. seed of the broad-bean plant
   同義詞：broad bean, fava bean
2. large shrub or shrubby tree having sharp spines and pinnate leaves with small deciduous leaflets and sweet-scented racemose yellow-orange flowers; grown as ornamentals or hedging or emergency food for livestock; tropical America but naturalized in southern United States
   同義詞：Jerusalem thorn, Parkinsonia aculeata