WC6 Full Form. Full Meaning of WC6 Find long form and abbreviation, slang or definition of WC6. What does WC6 mean? What does WC6 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.