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.

WordNet

Definitions
  1. (Bot.), a spiny, leguminous tree (Parkinsonia aculeata), widely dispersed in warm countries, and used for hedges.

Webster 1913