The Jerusalem thorn.
Jerusalem thorn definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- a leguminous, tropical American tree (Parkinsonia aculeata) having compound leaves and yellow, fragrant flowers: used for hedges
Jerusalem thorn definition by American Heritage Dictionary
A spiny tropical American tree (Parkinsonia aculeata) having clusters of yellow flowers, green branches, and bipinnately compound leaves.