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setscrew

noun
set·​screw | \ ˈset-ˌskrü \

Definition of setscrew

1 : a screw screwed through one part tightly upon or into another part to prevent relative movement
2 : a screw for regulating a valve opening or a spring tension

First Known Use of setscrew

1849, in the meaning defined at sense 1

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The first known use of setscrew was in 1849

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