noun Date: 1682 any of various plants formerly believed to be distasteful to rattlesnakes or effective against their venom: as, any of a genus ( Prenanthes, especially P. altissima ) of composite plants with small heads of drooping ligulate flowers, seneca snakeroot
RATTLESNAKE ROOT
Meaning of RATTLESNAKE ROOT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012