1. [ noun ] (botany) 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
Synonyms: Parkinsonia_aculeata horsebean
Related terms: shrub Parkinsonia
2. [ noun ] (botany) spiny tree having dark red edible fruits
Synonyms: jujube_bush Christ's-thorn Ziziphus_jujuba jujube
Related terms: shrub Ziziphus jujube
3. [ noun ] (botany) thorny Eurasian shrub with dry woody winged fruit
Synonyms: Paliurus_spina-christi Christ's-thorn
Related terms: shrub Paliurus
4. [ noun ] (botany) East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods; source of black catechu
Synonyms: Acacia_catechu catechu
Related terms: acacia genus_Acacia black_catechu
Similar spelling:   Jerusalem_oak