noun
Police Patrol Area; police drop-in station
A designated area or small facility where police officers can stop, rest, or write reports. The term is typically seen on signs.
交番の近くに「警察官立寄所」という看板があった。
Near the police box, there was a sign that said 'Police Patrol Area'.
Compound of 警察官 (police officer), 立ち寄り (stopping by), and 所 (place). The term is a modern administrative designation for police rest areas.