patrolman
nounUK /pəˈtrəʊlmən/
US /pəˈtroʊlmən/
A patrolman is a police officer who walks or drives around to keep people safe.
The patrolman helped the lost child find her parents.
OTHER MEANINGS
2. A person who guards or watches over an area, such as a park or building.
The park patrolman made sure everyone followed the rules.
3. A member of a group that checks roads or highways for problems.
The highway patrolman stopped to help the driver with a flat tire.
4. A soldier who walks around a camp or base to keep watch.
The patrolman walked around the camp all night.