Definition of "cordon off" [cordon off]

• To protect from intrusion by enclosing in a rope barrier. (verb)

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• "I suggest that you take your Germans to the Atrium Vestae in the middle of the night, Caesar, and cordon off the whole area outside its lodgement doors."
• "Lictors rushed to cordon off the area, the crowd was pushed elsewhere, and Spurius and Aulus Albinus stood looking down at a dead man and ruined plans."