Noun common watercress has 1 sense
  1. common watercress, Rorippa nasturtium-aquaticum, Nasturtium officinale - 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
    --1 is a kind of watercress
    --1 is a member of Nasturtium, genus Nasturtium
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