XSL Full Form. Full Meaning of XSL Find long form and abbreviation, slang or definition of XSL. What does XSL mean? What does XSL stand for? We are providing world largest and most comprehensive acronyms, names, abbreviations database directory on the Internet. Our data base contains more than 8,00,000 terms abbreviations and acronyms. You can also search unique terms more than 4,00,000 general Comprehensive words.