IPA: /ˈbæriər/
KK: /ˈbær.i.ər/
A structure or object that prevents movement or access, often used to separate areas or limit passage.
The fence acted as a barrier to keep the animals in the field.
Barrier → It originates from the Old French word *barriere*, meaning a fence or obstacle. The term refers to something that serves as a hindrance or obstruction.
Think of a 'fence' or 'obstacle' that prevents passage — that's what a barrier is.