To fasten or secure with a deadbolt.
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 secure; to make people stay locked indoors for their safety.
To make an arrangement secure, definite, or permanent; to fix.
To cause another to enter into an exclusive romantic relationship.
To travel through a flight of locks on a waterway in a downhill direction.
To limit the use of a computer network to only users with permission.