- M.A.
- M.A.
► Abbreviation in general use, chiefly EcclesiasticalMagister Artium ("Master of Arts")► Abbreviation in general use, chiefly EcclesiasticalMissionarius Apostolicus ("Missionary Apostolic")The Catholic Encyclopedia, Volume VIII. — New York: Robert Appleton Company. Nihil Obstat. 1910.
Catholic encyclopedia.