The head or leader of a police department or constabulary of a local government.

plural of political correctness

(countable, idiomatic) A contentious political issue or problem that is often debated or discussed, but that remains unresolved; an issue or problem which is avoided by authorities and handed off to others.

plural of police dog

(usually derogatory) A polity whose government exercises strict and repressive control of the people.

plural of sleeping policeman

A plan or strategy that would enable a project to be halted or completed in an effective manner

Obsolete form of politic.

To engage in political activity.

plural of political system