an alkaloid with anticholinergic effects that is used as a sedative and to treat nausea and to dilate the pupils in ophthalmic procedures
"transdermal scopolamine is used to treat motion sickness"
"someone sedated with scopolamine has difficulty lying"
A poisonous alkaloid C₁₇H₂₁NO₄ similar to atropine that is found in various solanaceous plants and is used for its anticholinergic effects (such as preventing nausea in motion sickness and inducing mydriasis).