Dictionary
rat'tlesnake root"
1. any of certain composite plants of the genus
Prenanthes, whose roots or tubers have been regarded as a remedy for snake bites, as
P. serpentaria or
P. alba.
2. the root or tuber.
3. the snakeroot,
Polygala senega.
4. its root.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.