Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
Heb.bakar, "cattle;" "neat cattle", (Gen. 12:16, 34:28; Job 1:3, 14, 42:12, etc.); not to be muzzled when treading the corn (Dt. 25:4). Referred to by our Lord in his reproof to the Pharisees (Lk. 13:15, 14:5).