An obstacle, barrier, or bulwark.
A barrier constructed across a road, especially as a military defence
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 fortification consisting of a breast-high bulwark; a parapet.
A parapet.
Breast augmentation.
A railing on the quarter-deck and forecastle.