Meaning of UNDERLAY in English

UNDERLAY

I.

past of underlie

II. | ̷ ̷ ̷ ̷| ̷ ̷ transitive verb

Etymology: Middle English underleyen, underleggen, from Old English underlecgan, from under (I) + lecgan to lay — more at lay

1. : to cover, line, or traverse the bottom of

underlay the Atlantic with a cable

: give support to on the underside or below : place a line or layer beneath or inside of — used with with

slates underlaid with roofing paper

underlay the pavement with traprock

2.

a. : to raise or support by something laid under

underlay a cut to bring it up to the right height for printing

b. obsolete : to put a tap on (a shoe)

III. ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun

1. : something that is laid under: as

a. : a piece of leather or other material placed between the outside and the lining of a shoe upper beneath a cutout or perforation

b. : a thickness of paper placed under type or a cut to bring it up to the proper height for printing — compare overlay

c. : a contrasting facing or lining used especially with sheer fabrics

d. : material placed under flooring or carpeting for insulation or reducing noise and wear

2. : a basic trend not evident upon the surface : undercurrent

beneath all the wild rumors there was an underlay of fact

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.