Crossing guard and Traffic cop

Crossing guard noun - Someone who helps people (especially children) at a traffic crossing.

Traffic cop and crossing guard are semantically related. In some cases you can use "Traffic cop" instead a noun phrase "Crossing guard".

Traffic cop noun - A policeman who controls the flow of automobile traffic.

Crossing guard and traffic cop are semantically related. Sometimes you can replace phrase "Crossing guard" with "Traffic cop", this phrases are similar.