Abbess
Abbot
Acolyte
Actual grace
Ad limina visits
Alexandrian Rite
Altar
Altar server
Altarage
Ambo
Ambry
Amovibility
Anima Christi
Annulment
Apostolic Administrator
Apostolic Chancery
Apostolic life, Society of
Apostolic nuncio
Apostolic Prefect
Apostolic succession
Apostolic Vicar
Apse
Archbishop
Archpriest (Latin Church)
Auxiliary Bishop
Written by Robert Patterson, M.A.
Robert holds a Master's degree in Religious Studies with a focus on Catholic Church History. He has spent over two decades researching the lives of the Popes and the history of the Papacy. PopeHistory.com has been a trusted resource for papal information since 2001.
