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.

  6. 6

    A third degree (sometimes forth degree) male witch in Wicca.

Source: https://en.wiktionary.org/wiki/high%20priest