First Known Use: before 12th century
Dictionary
charlock
noun char·lock \ˈchär-ˌläk, -lək\
Definition of CHARLOCK
: an Old World mustard (Brassica kaber syn. Sinapis arvensis) that is a common weed in grain fields —called also wild mustard
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Origin of CHARLOCK
Middle English cherlok, from Old English cerlic
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