perimeter fences
Property line enclosures
Perimeter fences are barriers marking and securing the outer boundary of a property, facility, or controlled area.
They serve to deter intrusion, define legal boundaries, and control access: The prison's perimeter fences are topped with razor wire.
The term appears frequently in discussions of security infrastructure, border control, and military installations.
- chain-linkInterwoven metal fencing material
- barbed wireSpiked metal fence material
- cordonEncircling line restricting access
- buffer zonesSeparating areas preventing contact
- no man's landUnowned space between enemies
boundary · barricade · keep out · off limits · patrols · detention centers · partition · access control · gate · enclosure · restricted zones · divider · fortifications · walls · border · surveillance cameras · motion detectors · watchtowers
enclosure vs. openness
perimeter fencesopen land
perimeter, fences, fence, fenced, fencing, perimeters, perimetric, meter, metric