Definition of citizens' band in English English dictionary
Citizens' Band is a range of radio frequencies which the general public is allowed to use to send messages to each other. It is used especially by truck drivers and other drivers who use radio sets in their vehicles. The abbreviation CB is often used. citizens' band radios. CB
range of radio frequencies set aside for two-way radio communication by citizens and businesses (in the USA); radio receiver/transmitter used to communicate on Citizens Band frequencies, CB