Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
The dried root of Polygala senega (family Polygalaceae), an herb of eastern and central North America; an expectorant.
Synonym(s): Seneca snakeroot
[Seneca, an Indian tribe]
An eastern North American plant (Polygala senega) having a terminal cluster of small white flowers and roots that are used medicinally.
Any of numerous plants once believed to be useful as a remedy for poisonous snakebites.