- an E North American milkwort (Polygala senega) with single racemes of white flowers
- its dried root, formerly used as an expectorant
Origin: < Senega (root), var. of Seneca: from use by the Seneca against snake bites
Used by arrangement with John Wiley & Sons, Inc.
Origin: Alteration of Seneca (from its use by this people).
senega - Medical Definition