- S.P.
- S.P.
► Abbreviation in general use, chiefly EcclesiasticalSanctissime Pater ("Most Holy Father")► Abbreviation in general use, chiefly EcclesiasticalSummus Pontifex ("Supreme Pontiff", Pope)► Abbreviation in general use, chiefly EcclesiasticalSanctus Petrus ("St. Peter")► Abbreviation in Catacomb InscriptionsSepultus ("Buried"); or Sepulchrum ("Sepulchre")The Catholic Encyclopedia, Volume VIII. — New York: Robert Appleton Company. Nihil Obstat. 1910.
Catholic encyclopedia.