Barrier and Crash barrier

Barrier noun - A physical object that blocks the way.

Crash barrier and barrier are semantically related. In some cases you can replace phrase "Crash barrier" with "Barrier", this terms are similar.

Nearby Words: barrie, barriering, barriered

Crash barrier noun - A strong protective barrier that is erected around a racetrack or in the middle of a dual-lane highway in order to reduce the likelihood of severe accidents.

Barrier and crash barrier are semantically related. You can use "Barrier" instead a noun phrase "Crash barrier".