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