conium

from WordNet (r) 3.0 (2006)
Conium
    n 1: small genus of highly toxic biennials: hemlock [syn:
         {Conium}, {genus Conium}]
    
from The Collaborative International Dictionary of English v.0.48
Conium \Co*ni"um\ (? or ?), n. [NL., fr. Gr. ? hemlock.]
   1. (Bot.) A genus of biennial, poisonous, white-flowered,
      umbelliferous plants, bearing ribbed fruit ("seeds") and
      decompound leaves.
      [1913 Webster]

   2. (Med.) The common hemlock ({Conium maculatum}, poison
      hemlock, spotted hemlock, poison parsley), a roadside weed
      of Europe, Asia, and America, cultivated in the United
      States for medicinal purpose. It is an active poison. The
      leaves and fruit are used in medicine.
      [1913 Webster]
    

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