senecas

from the GNU version of the Collaborative International Dictionary of English.

• noun plural (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.
• noun plural (Bot.) holy grass. See under Holy.
• noun plural petroleum or naphtha.
• noun plural (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.