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