How does the word sound?
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.
Definition
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.

