- the dried leaves, with or without the tops, of the henbane, Hyoscyamus niger, containing the alkaloids hyoscyamine and scopolamine, used in medicine.
Origin of hyoscyamus
1700–10; < New Latin < Greek hyoskýamos, equivalent to hyós (genitive of hŷs hog) + kýamos bean
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hyoscyamus
The oil of hyoscyamus is poisonous, and contains the alkaloid.Poisons: Their Effects and Detection
Alexander Wynter Blyth
The English henbane (Hyoscyamus niger) abounds in waste places.Western Himalaya and Tibet
The extract of belladonna is considerably stronger than the extract of hyoscyamus.Insomnia; and Other Disorders of Sleep
Henry M. Lyman
An alkaloid obtained from common henbane (Hyoscyamus niger), and also from the thorn apple (Datura stramonium).
Thus, hyoscyamus, belladonna, ammonium bromide have been used.
- any plant of the solanaceous genus Hyoscyamus, of Europe, Asia, and N Africa, including henbane
C18: from New Latin, from Greek huoskuamos, from hus pig + kuamos bean; the plant was thought to be poisonous to pigs
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012