Metalbarriers and stones were thrown at the police following the march.
The Sun (2014)
Heavy modern cars make metalbarriers less effective at stopping vehicles from smashing through the central reservation and into the path of oncoming traffic.
Times, Sunday Times (2006)
In front of him there was a green metalbarrier.
Bomber
Definition of 'barrier'
barrier
(bæriəʳ)Explore 'barrier' in the dictionary
countable noun
A barrier is something such as a fence or wall that is put in place to prevent people from moving easily from one area to another.