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lag screw
1noun
- a heavy wood screw having a square or hexagonal head driven by a wrench.
lag-screw
2[ lag-skroo ]
verb (used with object)
- to fasten with a lag screw.
lag screw
noun
- a woodscrew with a square head
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Word History and Origins
Origin of lag screw1
First recorded in 1870–75
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Word History and Origins
Origin of lag screw1
from lag ³; the screw was originally used to fasten barrel staves
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Example Sentences
All of the rails should be tenoned into the posts thoroughly, even if the lag screw fastenings are used.
From Project Gutenberg
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