Toothache tree

from WordNet (r) 3.0 (2006)
toothache tree
    n 1: small deciduous aromatic shrub (or tree) having spiny
         branches and yellowish flowers; eastern North America [syn:
         {toothache tree}, {sea ash}, {Zanthoxylum americanum},
         {Zanthoxylum fraxineum}]
    
from The Collaborative International Dictionary of English v.0.48
Prickly ash \Prickly ash\ (Bot.),
   1. A prickly shrub ({Xanthoxylum Americanum}) with yellowish
      flowers appearing with the leaves; also called {toothache
      tree}. All parts of the plant are pungent and aromatic.
      The southern species is {Xanthoxylum Carolinianum}.
      --Gray.
      [1913 Webster]

   2. (Bot.), {Hercules'-club}, also called the {Angelica tree}.
      [PJC]
    
from The Collaborative International Dictionary of English v.0.48
Toothache \Tooth"ache`\, n. (Med.)
   Pain in a tooth or in the teeth; odontalgia.
   [1913 Webster]

   {Toothache grass} (Bot.), a kind of grass ({Ctenium
      Americanum}) having a very pungent taste.

   {Toothache tree}. (Bot.)
   (a) The prickly ash.
   (b) A shrub of the genus {Aralia} ({Aralia spinosa}).
       [1913 Webster]
    

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