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English definition of “lag”

lag

verb [T] (COVER)    /læɡ/ (-gg-)
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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