The title originally given to a provisional administrator of a vacant abbey (held in commendam, i.e., in trust); later given for life with a claim to abbatial revenues and some degree of jurisdiction, if held by an ecclesiastic. It was ultimately abolished almost entirely, owing to serious abuses.
- “commendatory abbot”. . CatholicSaints.Info. 18 September 2009. Web. 28 May 2016. <>