jerusalem thorn Meaning, Definition & Usage

1. noun thorny Eurasian shrub with dry woody winged fruit
   Christ's-thorn; Paliurus spina-christi.
   
2. noun spiny tree having dark red edible fruits
   Christ's-thorn; jujube; jujube bush; Ziziphus jujuba.
   
3. noun 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
   Parkinsonia aculeata; horsebean.
   
4. noun East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu
   Acacia catechu; catechu.
   

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