priestn.[OE. prest, preost, AS. prest, fr. L. presbyter, Gr. elder, older, n., an elder, compar. of an old man, the first syllable of which is probably akin to L. pristinus. Cf. Pristine, Presbyter.]()()1. (Christian Church) A presbyter elder; a minister()2. 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.(1 Sam. v. 5.)Then the priest of Jupiter . . . brought oxen and garlands . . . and would have done sacrifice with the people. ()Every priest taken from among men is ordained for men in things pertaining to God, that he may offer both gifts and sacrifices for sins. (Heb. v. 1.)()v. t. To ordain as priest.()