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 restrict something with a tether.
to connect something to something else.
to connect a cellular smartphone to another personal computer in order to give it access to a hotspot.
a strong rope or line that connects a sailor's safety harness to the boat's jackstay
a rope, cable etc. that holds something in place whilst allowing some movement
the limit of one's abilities, resources etc.
The cardinal number three in an old counting system used in Teesdale and Swaledale. (Variant of tethera)