1. [ noun ] (botany) any of a number of trees or shrubs of the genus Zanthoxylum having spiny branches
Related terms: tree toothache_tree Hercules'-club Zanthoxylum
2. [ noun ] (botany) Australian tree having alternate simple leaves (when young they are pinnate with prickly toothed margins) and slender axillary spikes of white flowers
Synonyms: Orites_excelsa
Related terms: tree Orites
Similar spelling:   prickly_heat