Definition of 'horsebean'
- seed of the broad-bean plant
Synonyms: broad bean fava bean
- 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
Synonyms: Jerusalem thorn Parkinsonia aculeata