vicegerency

/vaɪsˈdʒɛrənsi/
noun
  1. The position, office, or authority of a person who acts as a deputy or representative for another, especially a ruler or leader.
    • During the king's illness, the prince assumed the vicegerency of the kingdom.
    • The vicegerency of the governor was challenged by the council.
    • He was appointed to the vicegerency, representing the president in diplomatic matters.
Synonyms