Home › Words › C › charlockcharlockcharlock means any of several yellow-flowered cruciferous weeds of grain fields, especially wild mustard (Rhamphospermum arvense, syn. Sinapis arvensis).EtymologyFrom Middle English charlok, cherlok, from Old English ċyrlic, ċirlic, ċerlic. Further origin unknown.nounAny of several yellow-flowered cruciferous weeds of grain fields, especially wild mustard (Rhamphospermum arvense, syn. Sinapis arvensis).Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.kedlock 76% match — Synonym of charlock (Rhampospermum arvense, syns. Sinapis arvensis, etc.) vs charlock →crunchweed 71% match — Synonym of charlock. vs charlock →chadlock 69% match — Synonym of charlock (Rhamphospermum arvense, syns. Sinapis arvensis, etc.) vs charlock →cocklebur 62% match — Any of the coarse composite weeds of the genus Xanthium, with a prickly fruit. vs charlock →arugula 62% match — A yellowish-flowered Mediterranean herb of the mustard family with flavoured leaves, often eaten in salads, that has a distinct, peppery flavor, of three species:; Eruca spp., especially Eruca sativa (syn. Eruca vesicaria subsp. sativa) vs charlock →yellowcress 61% match — Rorippa palustris, a flowering plant in the mustard family. vs charlock →burclover 61% match — Any of various European and North African herbs of the genus Medicago. vs charlock →fanweed 60% match — The flowering plant Thlaspi arvense. vs charlock →