cordon something ↔ off phrasal verb ( see also ↑ cordon )
to surround and protect an area with police officers, soldiers, or vehicles:
Police cordoned off the street where the murder took place.
cordon something ↔ off phrasal verb ( see also ↑ cordon )
to surround and protect an area with police officers, soldiers, or vehicles:
Police cordoned off the street where the murder took place.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012