A large Asiatic antelope (
Boselaphus tragocamelus, syn.
Portax tragocamelus), found in Northern India; called also the
blue bull. It has short horns, a black mane, and a bunch of long hair on the throat. The general color is grayish brown; the male is blue-grey with white markings, and the female is brownish with no horns. [
1913 Webster]