Source : Webster's Revised Unabridged Dictionary (1913)

Gelsemine \Gel"se*mine\, n. (Chem.)
   An alkaloid obtained from the yellow jasmine ({Gelsemium
   sempervirens}), as a bitter white semicrystalline substance;
   -- called also {gelsemia}.

Source : WordNet®

gelsemia
     See {gelsemium}