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Latin: compare French instituteur. Equivalent to institute +‎ -or.


institutor (plural institutors)

  1. One who institutes something.
    institutors of civil policy
  2. (obsolete) One who educates; an instructor.
    (Can we find and add a quotation of Walker to this entry?)
  3. (obsolete) A presbyter appointed by the bishop to institute a rector or assistant minister over a parish church.



īnstitūtor m (genitive īnstitūtōris); third declension

  1. founder, creator, erector, contractor
  2. teacher, instructor


Third declension.

Case Singular Plural
nominative īnstitūtor īnstitūtōrēs
genitive īnstitūtōris īnstitūtōrum
dative īnstitūtōrī īnstitūtōribus
accusative īnstitūtōrem īnstitūtōrēs
ablative īnstitūtōre īnstitūtōribus
vocative īnstitūtor īnstitūtōrēs


  • institutor in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • du Cange, Charles (1883), “institutor”, in G. A. Louis Henschel, Pierre Carpentier, Léopold Favre, editors, Glossarium Mediæ et Infimæ Latinitatis (in Latin), Niort: L. Favre
  • institutor in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français [Illustrated Latin-French Dictionary], Hachette
  • institutor in Ramminger, Johann (accessed 16 July 2016) Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700[1], pre-publication website, 2005-2016