(chiefly clothing) Initialism of extra large (the manufactured size or an item of that size).

(chiefly clothing) Initialism of extra large (of the manufactured size).

(informal) A notional generation or sociological group of people, especially children, who are overweight or obese.

(Internet slang, text messaging) excellent.

(computing, XML) XML markup language specified by W3C that provides methods for creating internal and external links within XML documents, and associating metadata with those links.

plural of Xlet

(computing) A kind of Java applet used for digital television features.

plural of XLR

(often attributive) A kind of electrical connector, circular and having between three and seven pins, primarily used with professional audiovisual and stage lighting equipment.