high priest

noun

1. 1.A clergyman with a higher function than a normal priest.
2. 2.In the history of the Hebrew Testament (Tanakh), the male person who was responsible for making the annual sacrifice on the Day of Atonement (Yom Kippur). Always a descendant of Aaron the older brother of Moses.
3. 3.Jesus Christ.
4. 4.The second-lowest office in the Melchizedek priesthood.
5. 5.A person holding a position of power or influence; an authority in a field of study, doctrine, art or a movement.