Lŭng'wort, n.

noun

(-wûrt), n. (Bot.) An herb of the genus Pulmonaria (P. officinalis), of Europe;—so called because the spotted appearance of the leaves resembles that of a diseased lung. The American lungwort is Mertensia Virginica, Virginia cowslip. Gray.

A botanical illustration of a lungwort plant with fuzzy leaves and a cluster of flowers.
Lungwort.