Source : Webster's Revised Unabridged Dictionary (1913)

Nightshade \Night"shade`\, n. [AS. nichtscadu.] (Bot.)
   A common name of many species of the genus {Solanum}, given
   esp. to the {Solanum nigrum}, or black nightshade, a low,
   branching weed with small white flowers and black berries
   reputed to be poisonous.

   {Deadly nightshade}. Same as {Belladonna}
   (a) .

   {Enchanter's nightshade}. See under {Enchanter}.

   {Stinking nightshade}. See {Henbane}.

   {Three-leaved nightshade}. See {Trillium}.

Source : WordNet®

stinking nightshade
     n : poisonous fetid Old World herb having sticky hairy leaves
         and yellow-brown flowers; yields hyoscyamine and
         scopolamine [syn: {henbane}, {black henbane}, {Hyoscyamus
         niger}]