pa·trol·man / pəˈtrəʊlmən; NAmE /, pa·trol·woman /pəˈtrəʊlwʊmən/ noun ( pl. -men / -mən; NAmE /, -women / -wɪmɪn; NAmE /)
1.
(in the US) a police officer who walks or drives around an area to make sure that there is no trouble or crime :
Patrolman Don Lilly
2.
(in Britain) an official of an association for car owners who goes to give help to drivers who have a problem with their cars