Meaning of UNDERLAY in English

UNDERLAY

n.

Pronunciation: - ' l ā

Function: transitive verb

Inflected Form: -laid \ - ' l ā d \ ; -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

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.