n. A poisonous alkaloid found in poison hemlock and the yellow pitcher plant; it is a neurotoxin which disrupts the peripheral nervous system.
the GNU version of the Collaborative International Dictionary of English
n. See conine.
The Century Dictionary and Cyclopedia
n. Same as conine.
Word Usage
"I also had to add a pinch of coniine (which causes blurred vision) as well as -- the cherry on the cake -- a dash of stramonium (which can cause dizziness and hallucinations)."