Cordon

The police had to cordon off the area.

The flimsy cordon failed to keep back the protestors.

Several people tried to break through the cordon.

Remove the cordon.

The cordon has already been removed.

The cordon has not been removed yet.

The cordon still has not been removed.

While in Paris, she enrolled in Le Cordon Bleu culinary school where she learned the traditional art of chocolate and pastry making.

Strong detachments of infantry instead of gendarmes cordoned the streets leading to the Lycée.