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lag

verb [T] (COVER)
 
 
/læɡ/ (-gg-)

Definition

to cover something with a thick layer of material in order to stop heat from escaping or to stop water from freezing: to lag pipesCovering and adding layersConstruction work and workers
(Definition of lag verb (COVER) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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