lock washer

noun

Definition of lock washer

: a washer (as a spring washer or a tooth lock washer) placed underneath a nut or screwhead to prevent loosening

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Cite this Entry

“Lock washer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lock%20washer. Accessed 30 Jul. 2021.

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