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Related to underlaid: underlain
Past tense and past participle of underlay1.
1. Placed or laid underneath.
2. Supported or raised by something from beneath; having an underlay.
1. laid underneath
2. having an underlay or supporting layer underneath
the past tense and past participle of underlay
1. placed or laid underneath, as a foundation.
2. having an underneath layer (often fol. by with): lace underlaid with satin.v.
3. pt. and pp. of underlay.