Preventing an opponent's pawn moving by placing a piece in front of it.
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.
To create a blockade against.
A kind of lock in which the bolt (moving portion) is held in position by the cylinder rather than by a spring and so cannot be retracted except by turning the cylinder.
The part of the lock which is moved when the key is engaged.
To fasten or secure with a deadbolt.