To barricade something is to create a barrier to prevent people from entering or leaving. You can also barricade your home to protect yourself from attackers.
The police are barricading the street to stop the rioters from entering.
The group of protesters barricaded the street to prevent the police from entering.
verb
To close or block a road etc., using a barricade
verb
To keep someone in (or out), using a blockade, especially ships in a port
1
The students build a barricade in the street.
2
They must stay behind the barricade.
3
Marius is the only survivor from the barricade.
4
The info on the screen says barricade malfunction.
5
The mob passed by after seeing the barricade.
6
The policemen at the barricade ran to the passenger side.
7
There the leading citizens barricaded themselves in the granary.
8
Barricade is the commander of the team and pushes the other members.
9
It was its futile attempt to wangle through the barricade.
10
In 1848, he fought in the barricades in the French uprising.