What does "police department" mean?

Police force, especially a local or regional branch of a national police force.

Police department

Common synonyms include: police, headquarters building, law enforcement agency, law enforcement services, police administration, police agency.

noun

noun ·Rare ·Advanced level

Noun

1
Police force, especially a local or regional branch of a national police force.
2
the department of local government concerned with enforcing the law and preventing crime wordnet