Definitions of policing

the action or process of keeping law and order by a police force (=the official group of people in a particular area for protecting people and property, enforcing the law, and solving crimes)

The dog involved has been withdrawn from operational policing activities.

the enforcement of regulations or an agreement in a particular area

Policing unauthorized use of proprietary technology can be difficult.

the enforcement of the provisions of a contract, a law, or a treaty etc

We are policing the adherence of players to the terms of our agreement in order to maintain an atmosphere of fun and fair play.