ba'esha, from a root "to stink" (Job 31:40). Probably the "tares" (zizania) of Matthew 13:30. Bad weeds in general; or barley affected by Uredo fetida, "the stinking rust."
Bibliography Information Fausset, Andrew Robert M.A., D.D., "Definition for 'Cockle' Fausset's Bible Dictionary". bible-history.com - Fausset's; 1878.