a washer placed under a nut on a bolt or screw, so made as to prevent the nut from shaking loose.
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Nourish your vocabulary with a refresher on the words from the week of September 14–20, 2020!
Question 1 of 7
What does “blatherskite” mean?
Words nearby lock washer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020