1 of 2

present participle of lag entry 2, lag entry 5, lag entry 6


2 of 2


lag·​ging ˈla-giŋ How to pronounce lagging (audio)
: a lag (see lag entry 4 sense 2) or material used for making lags: such as
: material for thermal insulation especially around a cylindrical object
: planking used especially for preventing cave-ins in earthwork or for supporting an arch during construction

Word History

First Known Use


1851, in the meaning defined above

Time Traveler
The first known use of lagging was in 1851

Dictionary Entries Near lagging

Cite this Entry

“Lagging.” Dictionary, Merriam-Webster, Accessed 22 Apr. 2024.

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