Definition of: snakeroot

(snāk′rt′, -rt′) noun
1. One of various plants having roots reputed to be effective against snakebite; especially, the bugbane; the Seneca snakeroot (Polygala senega), growing east of the Mississippi; the Virginia snakeroot (Aristolochia serpentaria), with purplish-brown flowers and fibrous roots; and the white snakeroot (Eupatorium rugosum) of Europe and the United States.
2. The root of any of these plants.