What does barrier mean?
barrier
Plural: barriers
Definition
A long bar on a post that swings up and down across a road or a driveway to let vehicles in or to keep them out.
Example sentences
The barrier wouldn't go up, so the whole line of cars behind me started honking.
The barrier wouldn't go up, so the whole line of cars behind me started honking.
Somebody must have crashed into the barrier last night — it's snapped in half.
Somebody must have crashed into the barrier last night — it's snapped in half.