cattle, cows, kine, oxen, Bos taurus -- (domesticated bovine animals as a group regardless of sex or age; "so many head of cattle"; "wait till the cows come home"; "seven thin and ill-favored kine"- Bible; "a team of oxen")
Overview of noun ox
The noun ox has 2 senses
ox -- (an adult castrated bull of the genus Bos; especially Bos taurus)
ox, wild ox -- (any of various wild bovines especially of the genera Bos or closely related Bibos)