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buttstrap

American  
[buht-strap] / ˈbʌtˌstræp /

noun

  1. (in metal construction) a plate which overlaps and fastens two pieces butted together.


verb (used with object)

buttstrapped, buttstrapping
  1. to unite with a buttstrap or buttstraps.

Etymology

Origin of buttstrap

First recorded in 1865–70; butt 1 + strap