Source : Webster's Revised Unabridged Dictionary (1913)

Violine \Vi"o*line\, n. (Chem.)
   (a) A pale yellow amorphous substance of alkaloidal nature
       and emetic properties, said to have been extracted from
       the root and foliage of the violet ({Viola}).
   (b) Mauve aniline. See under {Mauve}.