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lock washer

American  

noun

  1. a washer placed under a nut on a bolt or screw, so made as to prevent the nut from shaking loose.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"I'll put a lock washer on it this time."

From Empire by Simak, Clifford D.

On every bolt use a castellated nut and a cotter pin, or an ordinary nut and a lock washer, so the bolt will not work loose.

From Aviation Engines Design?Construction?Operation and Repair by Pag?, Victor Wilfred

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.