patrol car
From Longman Dictionary of Contemporary EnglishRelated topics: Police, Motor vehiclespatrol carpaˈtrol car noun [countable] SCPTTCa police car that drives around the streets of a cityExamples from the Corpuspatrol car• There will already be a couple of chaps in a patrol car down a side street as a matter of course.• Instead they took the kids away in the patrol car and told me to wait.• The patrol car arrives again and parks across the road from us.