A member of a mendicant Christian order such as the Augustinians, Carmelites (white friars), Franciscans (grey friars) or the Dominicans (black friars).
An American fish, the silverside.
A member of the most illustrious of the colleges of priests of the Roman religion, the College of Pontiffs; a pontifex.
A bishop of the early Church; now specifically, the Pope.
Any chief figure or leader of a religion.