From Frenchprimate, from Latinprimas(“one of the first, chief, excellent, noble”). So named due to the belief that primates are the highest order of mammals or animals. First attested in 1876.
(Christianity) In the Catholic Church, a rare title conferred to or claimed by the sees of certain archbishops, or the highest-ranking bishop of a present or historical, usually political circumscription.
The Archbishop of Quebec is the primate of Canada.
(Christianity) In the Orthodox Church, the presiding bishop of an ecclesiastical jurisdiction or region. Usually, the expression primate refers to the first hierarch of an autocephalous or autonomous Orthodox church. Less often, it is used to refer to the ruling bishop of an archdiocese or diocese.