Definitions
There is 1 meaning of the phrase
Jamestown Weed.
Jamestown Weed - as a noun
Intensely poisonous tall coarse annual tropical weed having rank-smelling foliage, large white or violet trumpet-shaped flowers and prickly fruits
Synonyms (Exact Relations)
apple of perucommon thorn appledatura stramoniumjimson weedjimsonweed