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Alternative forms[edit]


From septem (seven) +‎ triō (plow ox”; “Ursa Major”, “Ursa Minor), from terō (to rub), the Latin name of both Ursa Major or Ursa Minor, from their appearance of milling around the current north star Polaris.



septentriō m (genitive septentriōnis); third declension

  1. Ursa Major, Charles' Wain, the Big Dipper
  2. Ursa Minor, the constellation including the most recent pole star
  3. The north
  4. Borealis or Boreas, the north wind


Third-declension noun.

Case Singular Plural
Nominative septentriō septentriōnēs
Genitive septentriōnis septentriōnum
Dative septentriōnī septentriōnibus
Accusative septentriōnem septentriōnēs
Ablative septentriōne septentriōnibus
Vocative septentriō septentriōnēs



Derived terms[edit]



  • septentrio in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • septentrio in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • septentrio in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
  • Carl Meissner; Henry William Auden (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • to lie to the east, west, south, north: spectare in (vergere ad) orientem (solem), occidentem (solem), ad meridiem, in septentriones
    • to be situate to the north-west: spectare inter occasum solis et septentriones
    • a hill lies to the north: est a septentrionibus collis
    • to stretch northwards: porrigi ad septentriones
  • septentriōnēs” on page 1917/2 of the Oxford Latin Dictionary (2nd ed., 2012)