I. -ˈlā transitive verb
( un·der·laid -ˈlād ; -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
II. ˈən-dər-ˌlā noun
Date: 14th century
: something that is or is designed to be laid under