| any of various plants belonging to the genus Lamium, of the mint family, native to the Old World, having opposite leaves and clusters of small reddish or white flowers. |
| dead nettle n. Any of several weedy plants of the genus Lamium, native to Eurasia and northern Africa and having clusters of small, usually purplish flowers with two lips. [So called because it looks like a nettle but does not sting.] |