lock
/lɒk//lɑk/noun
Definitions
Something used for fastening, which can only be opened with a key or combination.
(by extension) A mutex or other token restricting access to a resource.
A segment of a canal or other waterway enclosed by gates, used for raising and lowering boats between levels.
The firing mechanism.
verb
Definitions
To become fastened in place.
Example: If you put the brakes on too hard, the wheels will lock.
To fasten with a lock.
Example: Remember to lock the door when you leave.
To be capable of becoming fastened in place.
Example: This door locks with a key.
To intertwine or dovetail.
Example: We locked arms and stepped out into the night.