XLAA Full Form. Full Meaning of XLAA Find long form and abbreviation, slang or definition of XLAA. What does XLAA mean? What does XLAA 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.