Citizens band radio, also known as CB radio, is a form of two-way radio communication used by individuals, particularly truckers and emergency responders. However, there are several synonyms that refer to this unique form of communication. Some of the most common terms used include "CB," "citizens band," and "2-way radio." Other terms that are commonly used when referring to CB radio include "truckers' radio," "short-range radio," and "walkie-talkie." Whichever term individuals choose to use, one thing remains the same - CB radio is a useful and reliable form of communication that has been relied upon for many years by those who require quick and efficient communication while on the move.