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.
GEE WHILLIKERS! WAIT TILL YOU SEE THIS WORD OF THE DAY QUIZ!
Do you remember all the words from last week, September 21–27, 2020? Then this quiz should be butyraceous.
Question 1 of 7
What does “yare” mean?
Origin of lock nut
First recorded in 1860–65
Words nearby lock nut
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for lock nut
The lock-nut D holds the screw securely once the pressure is adjusted.Practical Lithography|Alfred Seymour
British Dictionary definitions for lock nut
/ (ˈlɒkˌnʌt) /
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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012