Aconitum

from WordNet (r) 3.0 (2006)
Aconitum
    n 1: genus of poisonous plants of temperate regions of northern
         hemisphere with a vaulted and enlarged petal [syn:
         {Aconitum}, {genus Aconitum}]
    
from The Collaborative International Dictionary of English v.0.48
Aconitum \Ac`o*ni"tum\, n. [L. See {Aconite}.]
   The poisonous herb aconite; also, an extract from it.
   [1913 Webster]

         Strong
         As aconitum or rash gunpowder.           --Shak.
   [1913 Webster]
    

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