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

water cress \wa"ter cress`\ bot.
   a perennial cruciferous herb nasturtium officinale
   growing usually in clear running or spring water. the leaves
   are pungent, and used for salad and as an antiscorbutic.
   1913 webster
see also:
nasturtium officinale 

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

cress \cress\ kre^s, n.; pl. cresses kre^s"e^z. oe.
   ces, cresse, kers, kerse, as. cresse, cerse; akin to d. kers,
   g. kresse, dan. karse, sw. krasse, and possibly also to ohg.
   chresan to creep. bot.
   a plant of various species, chiefly cruciferous. the leaves
   have a moderately pungent taste, and are used as a salad and
   antiscorbutic.
   1913 webster

   note: the garden cress, called also peppergrass, is the
         lepidium sativum; the water cress is the nasturtium
         officinale. various other plants are sometimes called
         cresses.
         1913 webster

               to strip the brook with mantling cresses spread.
                                                  --goldsmith.
         1913 webster

   bitter cress. see under bitter.

   not worth a cress, or "not worth a kers." a common old
      proverb, now turned into the meaningless "not worth a
      curse." --skeat.
      1913 webster
see also:
cresses peppergrass lepidium sativum nasturtium officinale bitter cress bitter 
not worth a cress "not worth a kers." 

[3] : WordNet (r) 2.0

nasturtium officinale
     n : perennial eurasian cress growing chiefly in springs or
         running water having fleshy pungent leaves used in salads
         or as a potherb or garnish; introduced in north america
         and elsewhere syn: common watercress, rorippa
         nasturtium-aquaticum
see also:
common watercress rorippa nasturtium-aquaticum 

Nasturtium >> N Words
Nasturtium, definition of term: Nasturtium
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