Sabadilla \Sab`a*dil"la\ (s[a^]b`[.a]*d[i^]l"l[.a]), n. [Sp.
cebadilla.] (Bot.)
A Mexican liliaceous plant ({Schoenocaulon officinale});
also, its seeds, which contain the alkaloid {veratrine}. It
was formerly used in medicine as an emetic and purgative.
[1913 Webster]