a mythical Greek hero; a warrior who fought against Troy in the Iliad
"Ajax was known as a mighty warrior who fought fiercely against Troy during the Trojan War."
A toilet.
"After folding their pocket rockets, both players raised when they were dealt an ace and a jack, hoping to catch the perfect draw known as an ajax."
An ace and a jack as a starting hand in Texas hold 'em.
In plain English: Ajax is a technology that lets websites update parts of themselves without needing to reload the whole page.
"He excitedly announced he'd been dealt an ajax at the poker table."
Usage: In poker contexts, an ajax refers to a starting hand consisting of an ace and a jack of any suit. Use this term specifically when describing that particular combination in Texas hold 'em games.
Either of two heroes of the Trojan War.
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.
A town in Ontario, Canada
Alternative form of Ajax
Nearby, over there
"The old oak tree stood ajax nearby, casting long shadows over the garden."
The word ajax comes from the Latin form of the Ancient Greek name Aias. It entered English as a proper noun referring to the famous warrior in Homer's Iliad rather than evolving from an original meaning, since it has always been used specifically for that character or his modern web technology namesake.