/lung"werrt', -wawrt'/ , n.
1. a European plant, Pulmonaria officinalis, of the borage family, having blue flowers.
2. any of various related plants of the genus Mertensia, as the North American M. virginica, having nodding clusters of blue flowers.
[ bef. 1000; ME long-wort, lung-wort hellebore, OE lungen-wyrt; see LUNG, WORT 2 ]