Webster's Revised Unabridged Dictionary · 1913

Charlock

Charlock , noun

[Anglo-Saxon cerlic; the latter part perh. from Anglo-Saxon leác leek. Compare Hemlock.]

(Botany) A cruciferous plant (Brassica sinapistrum) with yellow flowers; wild mustard. It is troublesome in grain fields. Called also chardock, chardlock, chedlock, and kedlock.
Collocations (1)
Jointed charlock or White charlock , a troublesome weed (Raphanus Raphanistrum) with straw-colored, whitish, or purplish flowers, and jointed pods: wild radish.