lock nut
or lock·nut
|
noun Machinery.
a nut specially constructed to prevent its coming loose, usually having a means of providing extra friction between itself and the screw.
Also called jam nut. a thin supplementary nut screwed down upon a regular nut to prevent its loosening.
Nearby words
loci, lock, lock bay, lock horns, lock in, lock nut, lock on to, lock out, lock rail, lock seam, lock stitch
Origin of lock nut
First recorded in 1860–65
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for locknut
When the bolt has been screwed down sufficiently tight a locknut may be put on, or the first nut soldered to the end of the bolt.
The Boy Mechanic, Book 2|VariousA locknut is used beneath the notched nut to hold the adjustment.
The Boy Mechanic, Book 2|VariousA locknut is used to hold the screw in any desired position.
Measuring Tools|Unknown
British Dictionary definitions for locknut
locknut
/ (ˈlɒkˌnʌt) /
noun
a supplementary nut screwed down upon a primary nut to prevent it from shaking loose
a threaded nut having a feature, such as a nylon insert, to prevent it from shaking loose
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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