Definition Of barrier
a fence or other obstacle that prevents movement or access.
However, he told council he would like to protect the fence with barriers , to prevent vehicle operators from accidentally running into the fence.
Example Of barrier
a language barrier
A lot of them saying they felt they were somewhat protected because there are barrier islands between them and the Gulf.
Bar-built Estuaries form when a shallow lagoon or bay is protected from the ocean by a sand bar or barrier island.
Bob Franken reports on the damage on Sanibel, one of the barrier islands to first feel the brunt of that storm.
But even out here on the barrier islands we'll have at least 10 feet of storm surge.