batrachotoxin

noun

ba·tracho·tox·in | \ bə-ˌtrak-ə-ˈtäk-sən

, ˌba-trə-kō-

Medical Definition of batrachotoxin

: a very powerful steroid venom C₃₁H₄₂N₂O₆ extracted from the skin of a South American frog (Phyllobates aurotaenia)