2 entries found for underlay.
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Main Entry: un·der·lay
Pronunciation: n-dr-l
Function: verb
Inflected Form(s): under·laid /-ld/; -lay·ing 1: to cover, line, or cross the bottom of <shingles underlaid with tar paper> 2: to raise or hold up by something laid under - un·der·lay /n-dr-l/ noun