Key worker

What is Key worker?

Key worker definition and meaning on Dictionary terms:
noun
Machinery. a groove in a shaft, the hub of a wheel, etc., for receiving part of a key holding it to another part.
a slot in a lock for receiving and guiding the key.
(in poured-concrete construction) a longitudinal groove in a footing, or in a pour that has set, providing a key for newly poured concrete.
a depression or slot carved into rock to provide a bond or anchorage for a structure, as a dam.

 

reference: https://www.dictionary.com/browse/key-worker

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