• WordNet 3.6
    • v overlay kill by lying on "The sow overlay her piglets"
    • v overlay put something on top of something else "cover the meat with a lot of gravy"
    • n overlay a layer of decorative material (such as gold leaf or wood veneer) applied over a surface
    • n overlay 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
    • ***
Webster's Revised Unabridged Dictionary
    • Overlay A covering.
    • Overlay (Printing) A piece of paper pasted upon the tympan sheet to improve the impression by making it stronger at a particular place.
    • Overlay (Computers) A subroutine which occupies a portion of main memory which is occupied at some other time by another subroutine during execution of the same program. Overlays were used as an older technique to allow larger programs to be executed in restricted main memory space; the same effect is now accomplished by different techniques.
    • Overlay To cover (an object made of an inexpensive metal, glass, or other material) with a thin sheet of an expensive metal, especially with silver or gold. Distinguished from to plate, which is done by a chemical or electrical deposition process.
    • Overlay To lay, or spread, something over or across; hence, to cover; to overwhelm; to press excessively upon. "When any country is overlaid by the multitude which live upon it.""As when a cloud his beams doth overlay .""Framed of cedar overlaid with gold.""And overlay With this portentous bridge the dark abyss."
    • Overlay (Printing) To put an overlay on.
    • Overlay To smother with a close covering, or by lying upon. "This woman's child died in the night; because she overlaid it.""A heap of ashes that o'erlays your fire."
    • ***
Century Dictionary and Cyclopedia
    • overlay To lay upon or over; cover or spread over the surface of: as, cedar overlaid with gold.
    • overlay To burden or encumber; oppress.
    • overlay To lie upon; hence, to smother by lying upon: for overlie.
    • overlay To obscure by covering; cloud; overcast.
    • overlay To span; join the opposite sides of.
    • overlay In printing, to make even or graduate the impression of, on a printing-press, by means of overlays.
    • overlay In printing, to use overlays.
    • n overlay In printing, a bit of paper accurately cut and pasted on the impression-surface of a printing-press with intent to increase the impression in a place where it is not strong enough. A wood-cut in strong contrast of light and shade, as ordinarily treated, receives one overlay, or one thickness of paper, over the parts in light gray, two over those in dark gray, three over blackish gray, and four or more over intense black.
    • n overlay In tile-ornamenting (by the process of pressing leaves, laces, or embossed patterns upon the unbaked tiles), a part of a leaf, cutting of lace, etc., which lies over and upon another leaf, cutting, or pattern.
    • n overlay A second tablecloth laid in various ways over a larger cloth on the table.
    • n overlay A cravat; a neckcloth.
    • n overlay Loosely, anything laid over another for protection or ornament.
    • n overlay In quarrying, the overburden or detrital material which covers the rock in a quarry.
    • ***
Chambers's Twentieth Century Dictionary
    • v.t Overlay ō-vėr-lā′ to spread over or across: to cover completely: to smother by lying on (for overlie): to use overlays in printing: to cloud: to overwhelm or oppress: to span by means of a bridge
    • ns Overlay a piece of paper pasted on the impression-surface of a printing-press, so as to increase the impression in a place where it is too faint:
    • ns Overlay (Scot.) a cravat
    • ***


In literature:

Ah, no; to overlay it with new shames, to groan over in new vigils.
"Despair's Last Journey" by David Christie Murray
Anyhow, there was a light gray dust overlaying the writing-table on the following morning.
"The Thing from the Lake" by Eleanor M. Ingram
A term denoting that the butt ends of two planks come together, but do not overlay each other.
"The Sailor's Word-Book" by William Henry Smyth
No matter how much overlay you pile on top of such a phobia to suppress it, it will continue to haunt you.
"The Memory of Mars" by Raymond F. Jones
For instance, age-long rumor had it that the Emperor's hunting park at Jehol overlay immensely valuable gold deposits.
"Herbert Hoover" by Vernon Kellogg
The instrument can be left unexpressed, and a person can be said to overlay a child, i.e.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2" by Various
He will rifle a deadfall from the slanting back roof where there is no danger; so the trapper overlays the back with heavy brush.
"The Story of the Trapper" by A. C. Laut
Such are the natural questions in a good novel, in spite of all our modern overlaying of fiction with subtler psychologic suggestions.
"How to See a Play" by Richard Burton
Two thin teeth, like those of a rat, overlay the shrivelled lower lip.
"The Great Keinplatz Experiment and Other Tales of Twilight and the Unseen" by Sir Arthur Conan Doyle
Most of the way it ran through a wooded flat, and the tree shadows overlay it with denser gloom.
"The Land of Strong Men" by Arthur M. Chisholm

In poetry:

Again, as she grows something stronger,
And master's feet are swath'd no longer,
If in the night too oft he kicks,
Or shows his loco-motive tricks,
These first assaults fat Kate repays him,
When halt-asleep she overlays him.
"Alma; or, The Progress of the Mind. In Three Cantos. - Canto I." by Matthew Prior

In news:

According to final, unofficial results from the Cuyahoga County Board of Elections, Issue 5, the downtown overlay district failed, 1,625 (61.3 percent) to 1,024 (38.6 percent).
The overlays are available in numerous colors.
City will put downtown overlay district on May 5 ballot.
Independence City Council will put a downtown overlay district on the May 5 ballot.
YouTube introduced video ads earlier this week, overlays that appear on the bottom fifth of the video screen.
South Bay gets new area code overlay.
Payne County commissioners opened asphalt overlay bids for Ninth Street from State Highway 18 to Kings Highway in Cushing.
A contractor has been chosen to perform the asphalt overlay project in Washington.
Smart Technologies announces that the Boston Convention and Exhibition Center (BCEC) is using Actalyst interactive overlay to provide travelers with information about flights at Logan International Airport.
Overlay chosen for state's next area code.
Geoff Herbert / syracuse.com Republican presidential candidate Mitt Romney's official "With Mitt" smartphone app allows users to upload a photo with an image overlay showing support for his campaign.
The county is proposing the dredging but needs an OK from itself to do the work in what the county considers a 'special treatment overlay' for environmentally sensitive areas.
The Barnstable Town Council was to get its first glimpse last night of a proposed Medical Marijuana Treatment Center Overlay District located at the "very east end of Main Street" in Hyannis.
With a photo on the Snapseed screen, choose an editing mode from the tiled menu, and graphical instructions will overlay the photo.
Answer C is not correct because a virtual private network (VPN) is an encrypted private network that operates as an overlay on a public infrastructure.

In science:

Similarly, a A3 -prelayer γ is uniquely defined by γ = (βuv T ˆA2 + s) T βf g T ˆA3 or by γ = βuv T(βf g T ˆA3 − s) T ˆA2 . A layer containing given prelayer is called overlayer.
Invariants of mixed representations of quivers II : defining relations and applications
The smoothed 0.5 - 8 keV Chandra ACIS-I image is reported in Fig. 2 with the associated SWIRE sources overlayed.
Complete Multiwavelength Characterization of Faint Chandra X-ray Sources Seen in the Spitzer Wide-Area IR Extragalactic (SWIRE) Survey
Fig. 2.— The adaptively smoothed Chandra image overlayed with positions for 102 sources detected by Spitzer with the IR Array Camera (IRAC).
Complete Multiwavelength Characterization of Faint Chandra X-ray Sources Seen in the Spitzer Wide-Area IR Extragalactic (SWIRE) Survey
For N ordinary spin-1/2 particles, the overlap of two non-crossing singlet states |αi and |β i can be computed by overlaying the two bond configuration and counting the number of closed loops, Nloops .
Infinite-Randomness Fixed Points for Chains of Non-Abelian Quasiparticles
The overlays are arbitrarily scaled transmission curves for the five narrow-band filters employed in the imaging component of this survey.
A Luminosity Function of Lyman Alpha Emitting Galaxies at Redshift 4.5