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