Char"lock (?), n. [AS. cerlic; the latter part perh. fr. AS. le�xa0;c leek. Cf. Hemlock.] Bot.
A cruciferous plant (Brassica sinapistrum) with yellow flowers; wild mustard. It is troublesome in grain fields. Called also chardock, chardlock, chedlock, and kedlock.
Jointed charlock, White charlock, a troublesome weed (Raphanus Raphanistrum) with straw-colored, whitish, or purplish flowers, and jointed pods: wild radish.
© Webster 1913.