hierarch Meaning, Definition & Usage

  1. noun a person who holds a high position in a hierarchy
  2. noun a senior clergyman and dignitary
    high priest; prelate; primate; archpriest.

WordNet

Hi"er*arch noun
Etymology
LL. hierarcha, Gr. sacred (akin to Skr. ishiras vigorous, fresh, blooming) + leader, ruler, fr. to lead, rule: cf. F. hiérarque.
Definitions
  1. One who has high and controlling authority in sacred things; the chief of a sacred order; as, princely hierarchs. Milton.

Webster 1913