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lag screw

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noun

a heavy wood screw having a square or hexagonal head driven by a wrench.

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Also called coach screw, lag bolt.

Origin of lag screw

First recorded in 1870–75

Definition for lag screw (2 of 2)

lag-screw
[ lag-skroo ]
/ ˈlægˌskru /

verb (used with object)

to fasten with a lag screw.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use lag screw in a sentence

British Dictionary definitions for lag screw

lag screw

noun

a woodscrew with a square head

Word Origin for lag screw

from lag ³; the screw was originally used to fasten barrel staves
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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