Latin

Numeral

tertius m ‎(feminine tertia, neuter tertium); first/second declension

1. (ordinal) third, the ordinal number after secundus ‎(“second”) and before quartus ‎(“fourth”)

   • For usage examples of this term, see Citations:tertius.

Usage notes

• In poetical sense it is used for the Roman "Third World", that is the "Underworld", of Pluto

Inflection

First/second declension.

Derived terms

• tertiārius
• tertiō

Descendants

References

• tertius in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• tertius in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• TERTIUS in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• Félix Gaffiot (1934), “tertius”, in Dictionnaire Illustré Latin-Français, Paris: Hachette.
• Meissner, Carl; Auden, Henry William (1894) Latin Phrase-Book, London: Macmillan and Co.
  • it is the third hour (= 9 A.M.: tertia hora est
    
  • I am in my thirteenth year: tertium decimum annum ago
    
  • to be middle-aged (i.e. between thirty and forty): tertiam iam aetatem videre
    
  • to admit another into the circle of one's intimates: aliquem (tertium) ad (in) amicitiam ascribere
    
  • the actor who plays the leading part: actor primarum (secundarum, tertiarum) partium
    
  • consul for the second, third time: iterum, tertium consul