plural noun policia sing to join the police fer-se policia armed police stormed the building policies armats van irrompre a l'edifici river police brigada fluvial traffic police policia de trànsit transitive verb frontier vigilar , patrullar per , controlar area fer el servei de policia a , mantenir l'ordre a the frontier is policed by UN patrols les patrulles de l'ONU vigilen la frontera this area used to be policed by Britain abans el Regne Unit mantenia l'ordre en aquesta zona