Definition of "Brahman" :

noun: any of several breeds of Indian cattle; especially a large American heat and tick resistant greyish humped breed evolved in the Gulf States by interbreeding Indian cattle and now used chiefly for crossbreeding

noun: the highest of the four varnas: the priestly or sacerdotal category

noun: a member of the highest of the four Hindu varnas

"Originally all brahmans were priests."

noun: a member of a social and cultural elite (especially a descendant of an old New England family)

"A Boston brahman."