- any of a large genus (Solanum) of chiefly tropical plants of the nightshade family, with five-lobed leaves and flowers of various colors, including the black nightshade
- belladonna (sense )
Origin of nightshadeMiddle English nichtheschode ; from Old English nihtscada (see night and amp; shade): uncertain or unknown; perhaps with reference to narcotic qualities
designating a large family (Solanaceae, order Solanales) of poisonous and nonpoisonous dicotyledonous plants chiefly of warm regions, generally having a round stem, rank smell, and watery sap, and including the tobaccos, red peppers, tomatoes, potatoes, petunias, and eggplant
A plant of the nightshade family, especially a poisonous one of the genus Solanum or Atropa, such as bittersweet nightshade or belladonna.
Origin of nightshadeMiddle English, from Old English nihtscada : niht, night; see night + sceadu, shade.
- (botany) Any of the poisonous plants belonging to the genus Solanum, especially black nightshade or woody nightshade.
- (botany, colloquial) Any plant of the wider Solanaceae family, including the nightshades as well as tomato, potato, eggplant, and deadly nightshade.
- Belladonna or deadly nightshade, Atropa belladonna.
- Any of several plants likened to nightshade, usually because of similar dark-colored berries.