Abbacy may refer to:
* The office of an
abbot
Abbot is an ecclesiastical title given to the head of an independent monastery for men in various Western Christian traditions. The name is derived from ''abba'', the Aramaic form of the Hebrew ''ab'', and means "father". The female equivale ...
*
Territorial abbacy, a territorial jurisdiction in the Catholic church
*
Prince-abbacy, secular territory ruled by an abbot
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