The Collaborative International Dictionary of English v.0.48:

Cardamine \Car"da*mine\, n. [L. cardamina, Gr. ?: cf. F.
   cardamine.] (Bot.)
   A genus of cruciferous plants, containing the lady's-smock,
   cuckooflower, bitter cress, meadow cress, etc.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Cardamine
    n 1: bittercress, bitter cress [syn: Cardamine, genus
         Cardamine]