policeofficer
nounUK /pəˈliːs ˌɒfɪsə/
US /pəˈliːs ˌɔːfɪsər/
A police officer is a person whose job is to keep people safe and make sure everyone follows the rules.
The police officer helped the lost child find her parents.
OTHER MEANINGS
2. A member of a police force who investigates crimes.
The police officer questioned the witnesses at the scene.
3. A person who enforces traffic laws on roads.
A police officer stopped the car for speeding.
4. A community helper who directs crowds and keeps order at events.
The police officer waved the fans toward the correct gate.