Definitions for underlayˌʌn dərˈleɪ; ˈʌn dərˌleɪ

un•der•layˌʌn dərˈleɪ; ˈʌn dərˌleɪ(v.; n.)-laid, -lay•ing

(v.t.)to lay under or beneath.
to provide with something laid underneath, as for support.
to extend across the bottom of.
(n.)something underlaid.
paper put under type or cuts to bring them to the proper height for printing.
Category: Printing

bef. 900

carpet pad, rug pad, underlay, underlayment(verb)
a pad placed under a carpet
underlay(verb)
raise or support (the level of printing) by inserting a piece of paper or cardboard under the type
"underlay the plate"
underlay(verb)
put (something) under or beneath
"They underlaid the shingles with roofing paper"
underlay(verb)
provide with a base, support, lining, or backing
"underlay the boards with joists"

underlay(Noun)
A soft floor covering that lies under a carpet.
underlay(Noun)
Anything that is underlaid
underlay(Noun)
Lyrics; or more specifically, the way in which lyrics are assigned to musical notes.
The underlay in bar 3 is unclear in Handel's manuscript.
underlay(Verb)
To lay something underneath something else
underlay(Verb)
To provide a support for something

Underlay(verb)
to lay beneath; to put under
Underlay(verb)
to raise or support by something laid under; as, to underlay a cut, plate, or the like, for printing. See Underlay, n., 2
Underlay(noun)
to put a tap on (a shoe)
Underlay(verb)
to incline from the vertical; to hade; -- said of a vein, fault, or lode
Underlay(noun)
the inclination of a vein, fault, or lode from the vertical; a hade; -- called also underlie
Underlay(noun)
a thickness of paper, pasteboard, or the like, placed under a cut, or stereotype plate, or under type, in the from, to bring it, or any part of it, to the proper height; also, something placed back of a part of the tympan, so as to secure the right impression

Citation

"underlay." Definitions.net. STANDS4 LLC, 2013. Web. 18 May 2013. <http://www.definitions.net/definition/underlay>.