'Jimson weed' definitions:

Definition of 'jimson weed'

(from WordNet)
noun
Intensely poisonous tall coarse annual tropical weed having rank-smelling foliage, large white or violet trumpet-shaped flowers and prickly fruits [syn: jimsonweed, jimson weed, Jamestown weed, common thorn apple, apple of Peru, Datura stramonium]

Definition of 'Jimson weed'

From: GCIDE