Source : WordNet®

water dragon
     n 1: North American herbaceous perennial of wet places having
          slender curled racemes of small white flowers [syn: {lizard's-tail},
           {swamp lily}, {Saururus cernuus}]
     2: swamp plant of Europe and North America having bright yellow
        flowers resembling buttercups [syn: {marsh marigold}, {kingcup},
         {meadow bright}, {May blob}, {cowslip}, {Caltha palustris}]