The definition of apb is an abbreviation for "all points bulletin," which is a notification among police agencies about a wanted person. The apb will usually describe the suspect and provide directions regarding the apprehension.
An example of an APB would be a call from one police station to another indicating a known gangmember in their district is suspect of a crime and wanted for questioning or arrest.
all-points bulletin: a general bulletin sent to law-enforcement agencies, as one describing a wanted person
all points bulletin
- all-points bulletin