[1] : The Collaborative International Dictionary of English v.0.48

conium \coni"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
see also:
conium maculatum 

[2] : WordNet (r) 2.0

conium
     n : small genus of highly toxic biennials: hemlock syn: genus
         conium
see also:
genus conium 

Conium >> C Words
Conium, definition of term: Conium
conium_pag1.html

Conium Maculatu >> C Words
Conium Maculatu, definition of term: Conium Maculatu
conium+maculatu_pag1.html