an adult castrated bull of the genus Bos; especially Bos taurus
source: WordNet 3.0
any of various wild bovines especially of the genera Bos or closely related Bibos
source: WordNet 3.0
The male of bovine quadrupeds, especially the domestic animal when castrated and grown to its full size, or nearly so. The word is also applied, as a general name, to any species of bovine animals, male and female.
