1. any of various plants of the nightshade family, especially those that are poisonous
Usage: botanical
2. a poisonous plant with purple flowers and black berries, also called deadly nightshade or belladonna

Examples

• The deadly nightshade is one of the most toxic plants in North America.
• Tomatoes and potatoes belong to the nightshade family.
• She warned the children not to touch the nightshade growing near the fence.
• The herbalist explained that not all nightshades are poisonous.
• Nightshade berries may look tempting but can be fatal if eaten.
• The garden contained several members of the nightshade family.