a weed (Brassica kaber) of the crucifer family, with yellow flowers
Origin of charlockMiddle English cherlok ; from Old English cerlic
An annual weed (Sinapis arvensis) in the mustard family, native to Eurasia and naturalized in North America, having racemes of yellow flowers and hairy stems and foliage. Also called wild mustard.
Origin of charlockMiddle English cherlok, from Old English cerlic.
- Any of several yellow-flowered cruciferous weeds of grain fields, especially wild mustard.