Definition, Meaning & Synonyms

underlay

noun

/ˈʌndərleɪ/

Definition

A material or layer placed beneath another layer, typically for support or cushioning.

Examples

The carpet was installed over a thick foam underlay for added comfort.
When laying laminate flooring, it’s important to use an underlay to help reduce noise.
She chose a soundproof underlay to minimize the noise from the apartment below.

Meaning

Underlay refers to a supportive or cushioning layer that is placed underneath flooring, carpet, or other surfaces to provide additional stability and comfort.