A fortification, made in haste, of trees, earth, palisades, wagons, or anything that will obstruct the progress or attack of an enemy. It is usually an obstruction formed in streets to block an enemy's access.
- A structure set up across a route of access to obstruct the passage of an enemy.
- Something that serves as an obstacle; a barrier. See Synonyms at bulwark.
- To close off or block with a barricade.
- To keep in or out by means of a barricade.