locknut
noun 2
Definitions
noun
1
A nut with an inner ring made of a material with elastic properties to prevent it from slipping.
2
A second nut, screwed down onto another in order to prevent it slipping.
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noun
A nut with an inner ring made of a material with elastic properties to prevent it from slipping.
A second nut, screwed down onto another in order to prevent it slipping.