Meaning of picrotoxin

pic•ro•tox•in

Pronunciation: (pik"ru-tok'sin), [key]
— n. Pharm.
  1. a white, crystalline, bitter, poisonous, central nervous system stimulant, CHO, obtained from the seeds of Anamirta cocculus: used chiefly in the treatment of barbiturate poisoning.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.