ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: Middle English lungwurt, from Old English lungenwyrt, from lungen lung + wyrt wort — more at lung , wort
1. : any of several plants once thought helpful in pulmonary diseases: as
a. : black hellebore
b. : mullein
c. : wall hawkweed
2.
a. : a European herb ( Pulmonaria officinalis ) with hispid leaves and small blue flowers
b. : virginia cowslip
3. : a widely distributed lichen ( Lobaria pulmonaria ) formerly used in the treatment of bronchitis and now to some extent in perfumes and in tanning extracts