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