Definitions for overlayˌoʊ vərˈleɪ; ˈoʊ vərˌleɪ
Random House Webster's College Dictionary
o•ver•layˌoʊ vərˈleɪ; ˈoʊ vərˌleɪ(v.; n.)-laid, -lay•ing
(v.t.)to lay or place (one thing) over or upon another.
to cover, overspread, or surmount with something.
to finish with an overlay:
wood overlaid with gold.
(n.)something laid over something else; covering.
a superimposed decorative layer.
a sheet laid on the tympan of a printing press to increase or distribute the impression.
a transparent sheet placed over artwork, a map, or the like for noting corrections, instructions, additional information, etc.
Origin of overlay:
Ref: pt. of overlie .
sheathing, overlay, overlayer(noun)
protective covering consisting, for example, of a layer of boards applied to the studs and joists of a building to strengthen it and serve as a foundation for a weatherproof exterior
a layer of decorative material (such as gold leaf or wood veneer) applied over a surface
put something on top of something else
"cover the meat with a lot of gravy"
kill by lying on
"The sow overlay her piglets"
A piece of paper pasted upon the tympan sheet to improve the impression by making it stronger at a particular place.
Odds which are set higher than expected or warranted. Favorable odds.
A horse going off at higher odds than it appears to warrant, based on its past performances.
To lay, or spread, something over or across; to cover.
To overwhelm; to press excessively upon.
To smother with a close covering, or by lying upon.
To put an overlay on.
Origin: (compare overlie)
In operating systems, an overlay is the act of a process replacing itself with the code of another program. On Unix-like systems, this is accomplished with the exec system call. In Unix, the only way to run new programs is to fork the running process, and then overlay the new program on top of the child. This is known as the fork-exec technique.
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