1) Bitter cress 2) Cress 3) Cress plant 1) Coralroot 2) Coralwort 3) Crinkleroot 4) Cuckooflower 5) Toothwort 
[n] - any of various herbs of the genus Cardamine, having usually pinnate leaves and racemes of white, pink or purple flowers
bitter cress noun any of various herbs of the genus Cardamine, having usually pinnate leaves and racemes of white, pink or purple flowers; cosmopolitan except Antarctic