Noun prickly ash has 2 senses
  1. prickly ash - any of a number of trees or shrubs of the genus Zanthoxylum having spiny branches
    --1 is a kind of
    tree
    --1 is a member of Zanthoxylum, genus Zanthoxylum
    --1 has particulars:
     toothache tree, sea ash, Zanthoxylum americanum, Zanthoxylum fraxineum; Hercules'-club, Hercules'-clubs, Hercules-club, Zanthoxylum clava-herculis
  2. prickly ash, Orites excelsa - Australian tree having alternate simple leaves (when young they are pinnate with prickly toothed margins) and slender axillary spikes of white flowers
    --2 is a kind of tree
    --2 is a member of Orites, genus Orites
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