Main Entry:

¹un·der·lay

Pronunciation:

\-ˈlā\

Function:

transitive verb

Inflected Form(s):

un·der·laid \-ˈlād\ ; un·der·lay·ing

Date:

before 12th century

1 : to cover, line, or traverse the bottom of : give support to on the underside or below 2 : to raise or support by something laid under