stinkweed

[stingk-weed]

noun

any of various rank-smelling plants, as the jimson weed.
tree of heaven.

Origin of stinkweed

An Americanism dating back to 1745–55; stink + weed¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for stinkweed

stinkweed

noun

Also called: wall mustard a plant, Diplotaxis muralis, naturalized in Britain and S and central Europe, having pale yellow flowers, cylindrical seed pods, and a disagreeable smell when bruised: family Brassicaceae (crucifers)
any of various other ill-smelling plants, such as mayweed

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012