- (abbreviation) . (computing) (alternative form of, Ajax) .
- Proper noun. (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.
- Proper noun. (Greek mythology) either of two heroes of the Trojan War.
- Noun. (poker slang) An ace and a jack as a starting hand in Texas hold 'em.