noun. Any of several plants of the genus Datura in the nightshade family, having trumpet-shaped flowers up to 25 centimeters (10 inches) long and usually prickly fruits. The leaves and seeds yield alkaloids with narcotic properties.

noun. A plant of the genus Datura.

"It is from one to five feet in height, and an ill-smelling weed, though first cousin to the beautiful, cultivated datura, which is a highly prized garden plant."