- a defensive barrier hastily constructed, as in a street, to stop an enemy.
- any barrier that obstructs passage.
- to obstruct or block with a barricade: barricading the streets to prevent an attack.
- to shut in and defend with or as if with a barricade: The rebels had barricaded themselves in the old city.
- a barrier for defence, esp one erected hastily, as during street fighting
- to erect a barricade across (an entrance, passageway, etc) or at points of access to (a room, district of a town, etc)
- to obstruct; block