- a bitter cress (Cardamine pratensis) bearing white or rose flowers; lady's-smock
- ragged robin
See cuckooflower in American Heritage Dictionary 4
- A perennial herb (Cardamine pratensis) in the mustard family, native to the northern temperate regions and having pinnate leaves and pink, purple, or sometimes white flowers. Also called lady's smock.
- See ragged robin.
Origin: From the association of its time of blooming with the cuckoo's spring call.