jerusalem thorn: 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
shrub: a low woody perennial plant usually having several major stems
reel: a roll of photographic film holding a series of frames to be projected by a movie projector