to keep someone in (or out), using a blockade, especially ships in a port
to close or block a road etc., using a barricade
A barrier constructed across a road, especially as a military defence
An obstacle, barrier, or bulwark.
A place of confrontation.
To create a blockade against.
The ships or other forces used to effect a naval blockade.
Inhibition of the activity (function) of chemical messengers or their receptors, such as (often) receptor antagonism.
The physical blocking or surrounding of a place, especially a port, in order to prevent commerce and traffic in or out.
Any form of formal isolation or inhibition of something, especially with the force of law or arms.
Preventing an opponent's pawn moving by placing a piece in front of it.