Definitions
1.nounAny of various perennial plants, of the family Papaveraceae, subfamily Fumarioideae, often having pink heart-shaped flowers, including:
2.nounFlowering shrubs, lianas, or small trees of the mint family Lamiaceae, in the genus Clerodendrum.
3.nounThe bleeding heart tree, Homalanthus populifolius, an Australian rainforest plant.
4.nounA person who is overly sympathetic to the plight of the underprivileged, exploited or helpless, or to casualties of circumstance.