Atropine
Atropine ({not transcribed}) , noun
[Greek {not transcribed} inflexible; hence {not transcribed}, one of the three Parca; 'a priv. + {not transcribed} to turn.]
(Chemistry) A poisonous, white, crystallizable alkaloid, extracted from the Atropa belladonna, or deadly nightshade, and the Datura Stramonium, or thorn apple. It is remarkable for its power in dilating the pupil of the eye. Called also daturine.