any of several plants of the genus Stachys, belonging to the mint family, especially S. palustris, having hairy stems and leaves and whorled clusters of small, reddish flowers.
any of various plants of the genus Stachys, such as S. arvensis (field woundwort), having purple, scarlet, yellow, or white flowers and formerly used for dressing wounds: family Lamiaceae (labiates)