From Middle English water cresse, water-kresse, watercrasse, water cars, equivalent to water + cress.
- (UK) IPA(key): /ˈwɔːtəkɹɛs/
- (US) IPA(key): /ˈwɔtəɹkɹɛs/
watercress (countable and uncountable, plural watercresses)
- A perennial European herb, Nasturtium officinale, that grows in freshwater streams; used in salads and as a garnish.
- A similar plant, Nasturtium microphyllum.