- a wild mustard, Brassica kaber, having lobed, ovate leaves and clusters of small, yellow flowers, often troublesome as a weed in grainfields.
Origin of charlock
before 1000; Middle English cherlok, Old English cerlic < ?
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for charlock
One species of charlock will supplant another, and so in other cases.On the Origin of Species by Means of Natural Selection
Tares, turnip-fly, charlock, couch-grass and their like—these were his enemies which he hated.The Land's End
W. H. Hudson
It is no more welcome to the farmer than the Poppy and the Charlock are.Wildflowers of the Farm
Arthur Owens Cooke
Charlock, “Indian rape,” and other seeds of the Brassicaceæ, are mixed with genuine seed.Science and Practice in Farm Cultivation
One species of charlock has been known to supplant another species; and so in other cases.On the Origin of Species
- Also called: wild mustard a weedy Eurasian plant, Sinapis arvensis (or Brassica kaber), with hairy stems and foliage and yellow flowers: family: Brassicaceae (crucifers)
- white charlock Also called: wild radish, runch (rʌntʃ) a related plant, Raphanus raphanistrum, with yellow, mauve, or white flowers and podlike fruits
Old English cerlic, of obscure origin
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