WT3 Full Form. Full Meaning of WT3 Find long form and abbreviation, slang or definition of WT3. What does WT3 mean? What does WT3 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.