button snakeroot

noun

1

: blazing star sense 2a

2

: a perennial herb (Eryngium yuccifolium) of the carrot family native to the eastern half of the U.S. that has a basal rosette of bluish-green, fibrous, parallel-veined, swordlike leaves that may reach a length of 30 inches (76 centimeters) and small greenish-white flowers clustered in dense flower heads resembling thistle : rattlesnake master

Word History

First Known Use

1775, in the meaning defined at sense 1