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
An obstruction placed in front or on the flank of a fortification, to impede an enemy's approach.
An obstruction of cables and spars across a river or harbour entrance.
The condition of being deeply involved and intricated (with politics, a group, another person, etc.)
The condition, or an instance, of being romantically or sexually involved with another person; an affair.
The act of entangling.