WordNet (r) 3.0 (2006):
cuckoo flower n 1: a bitter cress of Europe and America [syn: lady's smock, cuckooflower, cuckoo flower, meadow cress, Cardamine pratensis] 2: common perennial native to Europe and western Asia having usually pink flowers with ragged petals [syn: ragged robin, cuckoo flower, Lychnis flos-cuculi, Lychins floscuculi]