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English definition of “underlay”


noun [U]     /ˈʌn.də.leɪ/ US  /-dɚ.leɪ/ UK
thick material put between a carpet and the floor for extra comfort and to protect the carpetCarpets, rugs and other floor coverings
(Definition of underlay noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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