What does common watercress mean?
• COMMON WATERCRESS (noun) The noun COMMON WATERCRESS has 1 sense: 1. 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 Familiarity information: COMMON WATERCRESS used as a noun is very rare.