WWW is an abbreviation for 'World Wide Web'. It appears at the beginning of website addresses in the form www.
[computing]
Check out our website at www.collinsdictionary.com.
WWW in British English
abbreviation for
World Wide Web
World Wide Web in British English
noun
computing
a vast network of linked hypertext files, stored on computers throughout the world, that can provide a computer user with information on a huge variety of subjects