from The American Heritage® Dictionary of the English Language, 4th Edition
- n. 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.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An extremely neurotoxic and cardiotoxic steroidal alkaloid found in poison dart frogs.
- n. Any one of a group of extremely neurotoxic and cardiotoxic steriodal alkaloids found in poison dart frogs, Melyridae beetles and birds.
Greek batrakhos, frog + toxin.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek βάτραχος (batrachos, "frog") and τοξίνη (toxine, "poison") (Wiktionary)