buttstrap

[buht-strap]

noun

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

verb (used with object), butt·strapped, butt·strap·ping.

to unite with a buttstrap or buttstraps.

Origin of buttstrap

First recorded in 1865–70; butt1 + strap
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019