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Citizens' Band (radio) noun
/ˌsɪt.ɪ.zənzˈbænd/
/ˌsɪt ̬-/ n [C or U] (also CB (radio)) trademark Definition
a radio communication system for members of the public
Long-distance truck drivers often use CB radio to talk to each other.
(Definition of Citizens' Band (radio) noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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