The Nuttall Encyclopedia
Head of an abbey. There were two classes of abbots: Abbots Regular, as being such in fact, and Abbots Commendatory, as guardians and drawing the revenues.
Wood, James, ed. Entry for 'Abbot'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/a/abbot.html. Frederick Warne & Co Ltd. London. 1900.