Polygala senega n 1: eastern North American plant having a terminal cluster of small white flowers and medicinal roots [syn: {Seneca snakeroot}, {Seneka snakeroot}, {senga root}, {senega root}, {senega snakeroot}, {Polygala senega}]
Senegin \Sen"e*gin\, n. (Med. Chem.) A substance extracted from the rootstock of the {Polygala Senega} (Seneca root), and probably identical with polygalic acid. [1913 Webster]
Senecas \Sen"e*cas\, n. pl.; sing. {Seneca}. (Ethnol.) A tribe of Indians who formerly inhabited a part of Western New York. This tribe was the most numerous and most warlike of the Five Nations. [1913 Webster] {Seneca grass}(Bot.), holy grass. See under {Holy}. {Seneca eil}, petroleum or naphtha. {Seneca root}, or {Seneca snakeroot} (Bot.), the rootstock of an American species of milkworth ({Polygala Senega}) having an aromatic but bitter taste. It is often used medicinally as an expectorant and diuretic, and, in large doses, as an emetic and cathartic. [Written also {Senega root}, and {Seneka root}.] [1913 Webster]
Snakeroot \Snake"root`\, n. (Bot.) Any one of several plants of different genera and species, most of which are (or were formerly) reputed to be efficacious as remedies for the bites of serpents; also, the roots of any of these. [1913 Webster] Note: The Virginia snakeroot is {Aristolochia Serpentaria}; black snakeroot is {Sanicula}, esp. {Sanicula Marilandica}, also {Cimicifuga racemosa}; Seneca snakeroot is {Polygala Senega}; button snakeroot is {Liatris}, also {Eryngium}; white snakeroot is {Eupatorium ageratoides}. The name is also applied to some others besides these. [1913 Webster]