IPA: //ˈpoʊlɪsˌmæn//
KK: /ˈpoʊlɪsˌmæn/
A man who works for the police and is responsible for maintaining law and order.
The policeman helped the lost child find his parents.
**Policeman** → It is formed from "police" (from French *police*, meaning public order or civil administration) and "man" (meaning an adult male human). The word "policeman" refers to a man who is part of the police force, responsible for maintaining public order.
Think of a 'police' officer who is a 'man' — that's why a policeman is a man who helps keep order in the community.