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a lock having a spring bolt moved by a knob or knobs, and a dead bolt moved by a key.
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Saint Peter sat by the celestial gate: His keys were rusty, and the lock was dull,
George Gordon Noel Byron
They learned to rattle the lock and key To give whatever might chance to be, Warning and time to be...
As soon as you are in a social setting, you better take away the key to the lock of your heart and...
Johann Wolfgang Von Goethe
Nearby words for knob-lock
knights of labor
knights of malta
knights of pythias
knights of saint john of jerusalem
knights of st. columba
knights of the ku klux klan
knights of the lambda-calculus
knights of the round table
knights of the sword
knock down with a feather
knock for a loop
knock heads together
knock into a cocked hat
knock into the middle of next week
knock it off
knock off a piece
knock off one's pins
knock on wood