'Rorippa nasturtium-aquaticum' definitions:

Definition of 'Rorippa nasturtium-aquaticum'

(from WordNet)
noun
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, Nasturtium officinale]