hyoscine
— Noun
– English
~ 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"
hyoscyamine
— Noun
– English
~ a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract
Hyoscyamus
— Noun
– English
~ genus of poisonous herbs: henbane