Definition of jerusalem thorn in English English dictionary
A spiny tropical American tree (Parkinsonia aculeata) having clusters of yellow flowers, green branches, and bipinnately compound leaves
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