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lock nut: Meaning and Definition of
lock' nut"
Pronunciation: [key]
— Mach. Mach.
- a nut specially constructed to prevent its coming loose, usually having a means of providing extra friction between itself and the screw.
- Also calleda thin supplementary nut screwed down upon a regular nut to prevent its loosening. See illus. under
See also:
- locknut (Thesaurus)
