winder

definition: mechanical device around which something can be wound
example:
speech part: noun
synonyms:
definition: mechanical device used to wind another device that is driven by a spring (as a clock)
example:
speech part: noun
synonyms: key
definition: a worker who winds (e.g., a winch or clock or other mechanism)
example:
speech part: noun
synonyms:

How winder is being used?