(1):

(n.) A presbyter elder; a minister

(2):

(n.) A presbyter; one who belongs to the intermediate order between bishop and deacon. He is authorized to perform all ministerial services except those of ordination and confirmation.

(3):

(n.) One who officiates at the altar, or performs the rites of sacrifice; one who acts as a mediator between men and the divinity or the gods in any form of religion; as, Buddhist priests.

(4):

(n.) One who is authorized to consecrate the host and to say Mass; but especially, one of the lowest order possessing this power.

(5):

(v. t.) To ordain as priest.