barricade
n.a wall or fence built quickly to block a road or path. People often use them to stop others from entering a place or to protect themselves during a fight.
n.a temporary wall or barrier constructed to obstruct passage or provide protection. Often assembled from improvised materials such as vehicles, furniture, or debris during civil unrest or military operations.
“The protesters built a barricade across the main street.”
“Police officers stood behind a heavy metal barricade to manage the crowd during the parade.”
“The rebels reinforced their makeshift barricade with sandbags and overturned carts, hoping to hold the narrow alleyway against the advancing security forces until nightfall.”
Often used with the verbs 'build', 'erect', or 'storm'.
“They said “security forces identified dozens of rioters who had barricaded themselves inside a Palestinian home while Palestinian residents were inside”, the statement said.”
“Once, when Rawlinson spotted an enemy barricade near Ypres, he concealed the Hudson behind a hedge and opened fire with his machine gun on a German officer and a motorcycle courier, killing both men.”
The noun is borrowed from French barricade, or an assimilation of the earlier barricado to the French form. The verb is from the noun or French barricader.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.