A more thorough explanation:

Definition: Archicapellanus (ahr-kee-kap-uh-lay-nuhs) is a term from Law Latin that refers to a chief or high chancellor.

Example: In medieval times, the archicapellanus was responsible for overseeing the religious affairs of the royal court.

This example illustrates how the archicapellanus held a position of great authority and responsibility, particularly in matters related to religion and the royal court.