CB
noun /ˌsiː ˈbiː/
/ˌsiː ˈbiː/
[uncountable]- a range of waves on a radio on which people can talk to each other over short distances, especially when driving (the abbreviation for ‘Citizens’ Band’)
- A truck driver used his CB radio to call for help.
CultureCB first became popular in the US in the 1970s as a way of exchanging warnings about traffic problems and police. It was illegal in Britain until 1981. CB users give themselves unusual radio names, such as 'Hound Dog' and 'Sweet Mama'. CB radios are no longer very widely used.Oxford Collocations DictionaryCB is used before these nouns:- radio