Săb'a-dĭl'lă, n.

n. [Sp. cebadila.]

1. (Bot.) (a.) A plant of the genus Veratrum (V. sabadilla), found in Mexico and the West Indies. (b.) A Mexican plant of the genus Asagrea (A. officinalis). (c.) A plant of the genus Stenanthium (S. frigidum).
2. (Com.) The seeds of Veratrum sabadilla, Asagrea officinalis, and Stenanthium frigidum, which contain the alkaloid veratria, or veratrine, used as an emetic and purgative in mania. Simmonds.