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 History of this Word

"lock" is from "loc" (door fastener), spoken by people in England during 450-1100 A.D.

"wash" is from "w?scan", spoken by people in England during 450-1100 A.D.

Words related to this meaning

grammar is noun

"lock washer" is a type of washer

Definition

lock washer illustration Washer that is not flat. Provides a spacer between a head or nut and the object fastened and resists turning after fastener is tighened. Often manufactured from metal with various sizes and designs.

Examples of how the word is used

lock washer illustration I'm about to install the nut over the shaft and now can't remember whether this should be preceded by a lockwasher.
lock washer illustration Place a split lock washer onto the screw so that it rests against the head of the screw.