- a white or grayish-white, slightly water-soluble, poisonous mixture of alkaloids obtained by extraction from the seeds of sabadilla and the rhizomes of white hellebore: formerly used in medicine as a counterirritant in the treatment of rheumatism and neuralgia.
- a white poisonous mixture obtained from the seeds of sabadilla, consisting of veratridine and several other alkaloids: formerly used in medicine as a counterirritant
