Any of the poisonous plants belonging to the genus Solanum, especially black nightshade or woody nightshade. (noun)
Any plant of the wider Solanaceae family, including the nightshades as well as tomato, potato, eggplant, and deadly nightshade. (noun)
Belladonna or deadly nightshade, Atropa belladonna. (noun)
Any of several plants likened to nightshade, usually because of similar dark-colored berries. (noun)
Examples of word nightshade
And yet it's also classified as a nightshade which, along with potatoes, peppers and eggplants, are considered toxic by many health gurus.
Despite much publicity, there is no scientific evidence to support the theory that arthritis is made worse by the so-called nightshade vegetables, which include tomatoes, potatoes, green pepper, and eggplant.
The babe does not know that the nightshade is a poison; but its mother knows.
We do not call the nightshade a weed in our hedges, nor the scarlet agaric in our woods.
And there were interesting plants; for example, I now know what one kind of nightshade looks like.