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treacle mustard

British  

noun

  1. a N temperate cruciferous annual plant, Erysimum cheiranthoides , having small yellow flowers. It is a common weed in cultivated ground

"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

Etymology

Origin of treacle mustard

C16: so called because of its alleged medicinal properties. See treacle

Example Sentences

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Worm′-pow′der, a vermifuge; Worm′-seed, santonica: the treacle mustard; Worm′-wheel, a wheel gearing with an endless screw or worm, receiving or imparting motion.—adj.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.