A barrier constructed across a road, especially as a military defence
An obstacle, barrier, or bulwark.
A place of confrontation.
to close or block a road etc., using a barricade
to keep someone in (or out), using a blockade, especially ships in a port
A small, temporary, military fortification.
A reinforced refuge; a fort.
The return of doubt.
A place of safety or refuge.
To fortify, to make into a stronghold.
To doubt again.