Welcome to the new LearnersDictionary.com. We want to hear your thoughts about the new design.

CB

1 ENTRIES FOUND:
Save
CB/ˌsiːˈbiː/noun
CB
/ˌsiːˈbiː/
noun
Learner's definition of CB  
[noncount]
: a range of radio frequencies that people and especially truck drivers use to talk to each other over short distances often while driving — often used before another noun
also  : a radio that uses this range of frequencies
CB is an abbreviation of “citizens band.”
Comments & Questions  
Comments & Questions
What made you want to look up CB? Include any comments and questions you have about this word.