bel·la·don·na (b l  -d n )n. 1. A poisonous Eurasian perennial herb (Atropa belladonna) having usually solitary, nodding, purplish-brown, bell-shaped flowers and glossy black berries. Also called deadly nightshade. 2. An alkaloidal extract or tincture derived from this plant and used in medicine. [Italian : bella, feminine of bello, beautiful (from Latin bellus; see deu-2 in Indo-European roots) + donna, lady; see Donna.] |
belladonna [ˌbɛləˈdɒnə]
n
1. (Life Sciences & Allied Applications / Plants) either of two alkaloid drugs, atropine or hyoscyamine, obtained from the leaves and roots of the deadly nightshade
2. (Life Sciences & Allied Applications / Plants) another name for deadly nightshade
[from Italian, literally: beautiful lady; supposed to refer to its use by women as a cosmetic]
bel•la•don•na (ˌbɛl əˈdɒn ə)
n.
1. Also called deadly nightshade. a poisonous plant, Atropa belladonna, of the nightshade family, having purplish red flowers and black berries.
2. atropine.
[1590–1600; < Italian bella donna literally, fair lady]
| belladonna (bl-dn) A preparation of the dried leaves or roots of deadly nightshade or related plants in the genus Belladonna, once used as a medicine. Belladonna contains several alkaloids that affect the nervous system by blocking the effects of acetylcholine. |
Thesaurus Legend: Synonyms Related Words Antonyms
| Noun | 1. |  belladonna - perennial Eurasian herb with reddish bell-shaped flowers and shining black berries; extensively grown in United States; roots and leaves yield atropineherb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests Atropa, genus Atropa - belladonna |
| 2. | belladonna - an alkaloidal extract or tincture of the poisonous belladonna plant that is used medicinally atropine - a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides |
Translations
belladonna
bel·la·don·na
n. belladona, yerba medicinal cuyas hojas y raíces contienen atropina y alcaloides.
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