Don
This term comes from “Dominus.” In Spain it was a title given to a nobleman. It is now used for the head of a college and for fellows in English universities, such as an “Oxford Don.”
Glossary definitions provided courtesy of Church Publishing Incorporated, New York, NY,(All Rights reserved) from “An Episcopal Dictionary of the Church, A User Friendly Reference for Episcopalians,” Don S. Armentrout and Robert Boak Slocum, editors.