pa ‧ trol ‧ man /pəˈtrəʊlmən $ -ˈtroʊl-/ BrE AmE noun ( plural patrolmen /-mən/) [countable]
1 . American English a police officer who regularly walks or drives around a particular area to try to prevent crime
2 . someone employed by a car owners’ association in Britain who goes to give help to drivers by the road