Answer: Rectoral means “relating to a rector” — pertaining to the office, duties, or things associated with a rector.
Explanation: A “rector” can be the head of a university or college, or the priest in charge of a parish (and sometimes other officials). “Rectoral” is the adjective used for matters connected to that office: e.g., rectoral duties, a rectoral address, rectoral tithes/benefice. Synonyms: “rectorial” or simply “relating to the rector.”