From sacrō (consecrate, dedicate, devote), from sacer (sacred, holy) +‎ -mentum.



sacrāmentum n (genitive sacrāmentī); second declension

  1. A sum of money deposited in pledge by two individuals involved in a suit. The money of the loser in the suit was applied to religious purposes.
  2. (military) An oath of allegiance.
  3. (Ecclesiastical Latin) Sacrament.
  4. (Ecclesiastical Latin) A mystery, secret.


Second-declension noun (neuter).

Case Singular Plural
Nominative sacrāmentum sacrāmenta
Genitive sacrāmentī sacrāmentōrum
Dative sacrāmentō sacrāmentīs
Accusative sacrāmentum sacrāmenta
Ablative sacrāmentō sacrāmentīs
Vocative sacrāmentum sacrāmenta

Derived termsEdit

Related termsEdit



  • sacramentum in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • sacramentum in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • sacramentum in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
  • sacramentum in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
  • Carl Meißner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • to take the military oath: sacramentum (o) dicere (vid. sect. XI. 2, note sacramentum...)
    • to make soldiers take the military oath: milites sacramento rogare, adigere
  • sacramentum in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
  • sacramentum in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin
  • Meyer-Lübke, Wilhelm (1911), “sacramĕntum”, in Romanisches etymologisches Wörterbuch (in German), page 563