lag screw

1 of 2


: a screw having a wrench head and woodscrew threads terminating in a point

called also lag bolt


2 of 2

transitive verb

: to fasten or join with a lag screw

Word History



lag entry 6; from its original use in securing lags to drums or cylinders

Transitive verb

lag screw

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Dictionary Entries Near lag screw


lag screw


Cite this Entry

“Lag screw.” Dictionary, Merriam-Webster, Accessed 3 Dec. 2023.

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