noun
1. : a lichen ( Sticta pulmonacea ) growing on trees and rocks, having a lacunary thallus that suggests lung tissue, and used formerly in folk medicine in the treatment of pulmonary diseases
2. : a bluebell ( Mertensia virginica )
noun
1. : a lichen ( Sticta pulmonacea ) growing on trees and rocks, having a lacunary thallus that suggests lung tissue, and used formerly in folk medicine in the treatment of pulmonary diseases
2. : a bluebell ( Mertensia virginica )
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012