From BiblePortal Wikipedia

Webster's Dictionary [1]

(n.) A beef; a beef creature.

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]

( בָּקָר , Baker ' , horned animals,  Leviticus 22:19;  Leviticus 22:21;  Numbers 31:28;  Numbers 31:30;  Numbers 31:33;  Numbers 31:38;  Numbers 31:44; elsewhere rendered "ox," "bullock," "herd," etc.; in Arabic, alb kar), cattle, herds, applicable to all Ruminantia, the camels alone excepted; but more particularly to the Bovidae and the genera of the larger antelopes. (See Ox); (See Bull); (See Deer); (See Goat); (See Antelope), etc.