batrachotoxin[ba′trə kō täks′in; bə trak′ō-]
batrachotoxin definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a steroidal alkaloid, CHNO, found in the skin of certain Neotropical frogs (genus Phyllobates) and used on poison arrows: one of the most powerful natural neurotoxins known
batrachotoxin definition by American Heritage Dictionary
A steroid alkaloid derived from skin secretions of the Phyllobates and Dendrobates genera of South American poison-arrow frogs. It is one of the most potent venoms known.
Origin: Greek batrakhos, frog + toxin.