cicutoxin

noun
cic·​u·​tox·​in | \ ˌsik-yə-ˈtäk-sən, ˈsik-yə-ˌ How to pronounce cicutoxin (audio) \

Medical Definition of cicutoxin

: an amorphous poisonous principle C19H26O3 in water hemlock, spotted cowbane, and related plants of the genus Cicuta