From Longman Dictionary of Contemporary EnglishCD-RWCD-RW /ˌsiː diː ɑː ˈdʌbəljuː $ -ɑːr-/ noun [countable, uncountable] (compact disc – rewritable) a type of CD that you can record music, images, or other information onto, using special equipment on your computer, and that can be recorded onto several times