Definify.com
Webster 1913 Edition
Underlay
1. 
To lay beneath; to put under. 
2. 
To raise or support by something laid under; , 2. 
as, to 
. See underlay 
a cut, plate, or the like, for printingUnderlay
, Noun.
3. 
To put a tap on (a shoe). 
[Prov. Eng.] 
 Unˊder-lay′
,Verb.
 I.
 (Mining) 
To incline from the vertical; to hade; – said of a vein, fault, or lode. 
 Un′der-layˊ
,Noun.
 1. 
(Mining) 
The inclination of a vein, fault, or lode from the vertical; a hade; – called also 
underlie
. 2. 
(Print.) 
A thickness of paper, pasteboard, or the like, placed under a cut, or stereotype plate, or under type, in the form, 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. 
Webster 1828 Edition
Underlay
UNDERLA'Y
,Verb.
T.
  Definition 2025
underlay
underlay
English
Verb
underlay
- simple past tense of underlie
 
Verb
underlay (third-person singular simple present underlays, present participle underlaying, simple past and past participle underlaid)
- (transitive) To lay (something) underneath something else; to put under.
 -  (transitive) To provide a support for something; to raise or support by something laid under.
- to underlay a cut, plate, or the like, for printing
 
 - (transitive) To put a tap on (a shoe).
 - (mining, intransitive, of a vein, fault, or lode) To incline from the vertical; to hade.
 
Noun
underlay (plural underlays)
- A layer (of earth, etc.) that lies under another; substratum.
 - A soft floor covering that lies under a carpet.
 - Anything that is underlaid
 -  (music) 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.
 
 
Translations
soft floor covering under carpet
  | 
  | 
anything underlaid
  |