primate

Concise Oxford English Dictionary © 2008 Oxford University Press:
primate1 /ˈprʌɪmeɪt, -mət/

▶noun Christian Church the chief bishop or archbishop of a province.

– derivatives
primatial /-ˈmeɪʃ(ə)l/ adjective.

– origin ME: from OFr. primat, from L. primas, primat- ‘of the first rank’, from primus ‘first’.

Concise Oxford English Dictionary © 2008 Oxford University Press:
primate2 /ˈprʌɪmeɪt/

▶noun Zoology a mammal of an order (Primates) including the lemurs, bushbabies, tarsiers, marmosets, monkeys, apes, and humans.

– derivatives
primatological adjective,
primatologist noun,
primatology noun.

– origin C19: from L. primas, primat- (see primate1).