Jer-vī'na or Jēr'vine, n.

n. [Probably from Sp. yerba, yerbe, Jēr'vine, } herb, O. Sp. the poison of the veratrum; yerba alumina, yerba de ballestero, the white hellebore.] (Chem.) A poisonous alkaloid obtained from the root of Veratrum album, or white hellebore.