The Collaborative International Dictionary of English v.0.48:

Veratria \Ve*ra"tri*a\, n. [NL.] (Chem.)
   Veratrine.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Veratrine \Ve*ra"trine\ (?; 277), n. [Cf. F. v['e]ratrine. See
   Veratrum.] (Chem.)
   A poisonous alkaloid obtained from the root of hellebore
   (Veratrum) and from sabadilla seeds as a white crystalline
   powder, having an acrid, burning taste. It is sometimes used
   externally, as in ointments, in the local treatment of
   neuralgia and rheumatism. Called also veratria, and
   veratrina.
   [1913 Webster]