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