prickly ash

/ˌprɪk(ə)li æʃ/

Definitions of prickly ash

1. noun

   any of a number of trees or shrubs of the genus Zanthoxylum having spiny branches
   types:

   Zanthoxylum americanum, Zanthoxylum fraxineum, sea ash, toothache tree

   small deciduous aromatic shrub (or tree) having spiny branches and yellowish flowers; eastern North America

   Hercules'-club, Hercules'-clubs, Hercules-club, Zanthoxylum clava-herculis

   densely spiny ornamental of southeastern United States and West Indies

   type of:

   tree

   a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
2. noun

   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

   type of:

   tree

   a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms