cordon

US /ˈkɔːr.dən/
UK /ˈkɔːr.dən/
"cordon" picture
1.

a line or circle of police, soldiers, or guards preventing access to or from an area or building

:
•
The police set up a cordon around the crime scene.
•
A military cordon prevented anyone from entering the restricted zone.
:
barrierlineringperimeterenclosure
1.

to prevent access to or from an area or building by surrounding it with a cordon

:
•
Police decided to cordon off the entire street.
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They had to cordon off the area due to a gas leak.
:
seal offblock offfence offisolateenclose
:
cordon bleucordon off