n. [ Prov. E., corn cockle; cf. W. gith corn cockle. ] (Bot.) The corn cockle; also anciently applied to the Nigella, or fennel flower. [ 1913 Webster ]
(n) European annual having large trumpet-shaped reddish-purple flowers and poisonous seed; a common weed in grainfields and beside roadways; naturalized in America, Syn. corn campion, crown-of-the-field, Agrostemma githago