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
To make loose.
To free from restraint; to set at liberty.
To become unfastened or undone.
To relieve (the bowels) from constipation; to promote defecation.
To become loose.
To disengage (a device that restrains).