Definition of Key
Key
Key
Definition/Meaning
(noun)
A device to operate a lock or a crucial element in a process.
e.g. The key to the house was hidden under the mat.
(noun)
a minute piece of formed metal with incisions cut to fit the wards of a lock that it is inserted into, and turned to open or close;
e.g. I need a key to open the locked door.
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