Source : Webster's Revised Unabridged Dictionary (1913)

   {Corn violet}. See under {Corn}.

   {Dame's violet}. (Bot.) See {Damewort}.

   {Dogtooth violet}. (Bot.) See under {Dogtooth}.

   {Water violet} (Bot.), an aquatic European herb ({Hottonia
      palustris}) with pale purplish flowers and pinnatifid
      leaves.

Water violet \Wa"ter vi"o*let\ (Bot.)
   See under {Violet}.

Source : WordNet®

water violet
     n : featherfoil of Europe and western Asia having submerged and
         floating leaves and violet flowers [syn: {Hottonia
         palustris}]