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See also: AJAX, Ájax, and ajax


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  • IPA(key): /ˈeɪ.d͡ʒæks/
  • (file)

Etymology 1[edit]

From Latin Aiāx, from Ancient Greek Αἴας (Aías).

Proper noun[edit]

Ajax (plural Ajaxes)

  1. (Greek mythology) Either of two heroes of the Trojan War.
    • 1995, David Sacks; Oswyn Murray, A Dictionary of the Ancient Greek World, Oxford University Press, USA, →ISBN, page 11:
      In the legend of the Trojan War, Ajax was king of Salamis and son of Telamon. After Achilles, he was the bravest Greek warrior at Troy. In Homer's epic poem the Iliad, Ajax engages in many combats for...
  2. A town in Ontario, Canada
    • 1994, Mike Filey, Toronto Sketches 3: The Way We Were, Dundurn, →ISBN, page 135:
      In relative terms, the history of Ajax, Ontario, a town twenty-three miles east of Toronto, is short, spanning a little more than half a century. (Interestingly, to me at least, is the fact that the town is the same age as I am.).
Derived terms[edit]

Etymology 2[edit]

Short for Asynchronous JavaScript and XML.

Alternative forms[edit]

Proper noun[edit]

Ajax (plural not attested)

  1. (computing) A group of techniques for creating interactive Web applications, in which applications can retrieve data from the server asynchronously in the background without interfering with the display and behavior of the existing page.
    • 2005, Jesse James Garrett, Ajax: A New Approach to Web Applications:
      An Ajax application eliminates the start-stop-start-stop nature of interaction on the Web by…
Derived terms[edit]

Etymology 3[edit]

Proper noun[edit]


  1. A ghost town in Utah
    • 1910, Forth, page 829:
      Seldom was the missionary more agreeably surprised than when the mail stage which had picked him up from the train at Ajax, Utah, drew up at an old ranch.
  2. An unincorporated community in South Dakota
    • 2000, Construction Into the Powder River Basin, Powder River Basin Expansion Project: Environmental Impact Statement, page 20:
      Once across Spring Creek the branch line turns southeast and then southwest and proceeds toward Ajax, South Dakota.
  3. An unincorporated community in Natchitoches Parish, Louisiana.
    • 2016, Suzi Parron, Following the Barn Quilt Trail, Ohio University Press, →ISBN:
      THE road north took us to Ajax, Louisiana, more of a crossroads than an actual town. The RV park sat just a minute or so from the interstate and miles from much else; a saw mill near the highway and a diner across the road were the only...
  4. An unincorporated community in West Virginia
  5. The Amsterdam football club AFC Ajax





Ajax m (proper noun, strong, genitive Ajax' or Ajaxens or (with an article) Ajax, plural Ajaxe)

  1. (Greek mythology) Ajax


Ajax n (proper noun, strong, genitive Ajax' or (with an article) Ajax)

  1. Short for Ajax Amsterdam (football club).



From Ancient Greek Αἴας (Aías).


Proper noun[edit]

Ajāx m sg (genitive Ajācis); third declension

  1. Alternative form of Aiāx


Third-declension noun, singular only.

Case Singular
Nominative Ajāx
Genitive Ajācis
Dative Ajācī
Accusative Ajācem
Ablative Ajāce
Vocative Ajāx


  • Ajax”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • Ajax in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette


Proper noun[edit]

Ajax m

  1. Alternative form of Ájax