- something laid over something else; covering.
- a layer or decoration of something applied: an overlay of gold.
- a shaped piece of paper, or a sheet of paper reinforced at the proper places by shaped pieces, put on the tympan of a press to increase or equalize the impression.
- a method of preparing copy for multicolor printing, in which matter for each color is prepared on a transparent sheet that is placed over a key plate, usually the one to be printed in black.
- the sheet or sheets so prepared.
- a sheet of transparent paper placed over a photograph, a dummy, or other artwork for noting corrections, instructions, mechanical separations, etc.
- Computers. software or data in external storage and brought into main storage for execution by replacing or augmenting software or data already there.
- a transparent sheet giving special military information not ordinarily shown on maps, used by being placed over the map on which it is based.
- a decorative piece of leather or other material stitched on a shoe.
- Scot. a cravat.
Origin of overlay1
- simple past tense of overlie.
Examples from the Web for overlaying
Now, overlaying it all is the glass and concrete jungle of the Olympic era.Sochi’s Internal Refugees
February 8, 2014
The overlaying of silver by antimony is their particular craft.In Mesopotamia
Veneering may therefore be comprehensively described as overlaying or inlaying one body with portions of another.Chats on Old Clocks
It would be explained by the Phnician overlaying of wood-work with beaten bronze, or, to speak more correctly, with copper.
Dipoinos and Skyllis still only in part covered the carved core of wood, and restricted this overlaying to ivory.
It is composed of a black vegetable mould of a foot to two feet in depth, overlaying a hard yellow clay.Handbook to the new Gold-fields
R. M. Ballantyne
- to lay or place something over or upon (something else)
- (often foll by with) to cover, overspread, or conceal (with)
- (foll by with) to cover (a surface) with an applied decorationebony overlaid with silver
- to achieve the correct printing pressure all over (a forme or plate) by adding to the appropriate areas of the packing
- something that is laid over something else; covering
- an applied decoration or layer, as of gold leaf
- a transparent sheet giving extra details to a map or diagram over which it is designed to be placed
- printing material, such as paper, used to overlay a forme or plate
Word Origin and History for overlaying
"to cover the surface of (something)," c.1300, in part from Old English oferlecgan "to place over," also "to overburden," and in part from over- + lay (v.). There also was an overlie in Middle English, but it merged into this word. Similar compounds are found in other Germanic languages, e.g. Gothic ufarlagjan. Related: Overlaid; overlaying.
in the printing sense, 1824, from overlay (v.). Meaning "transparent sheet over a map, chart, etc." is from 1938. In earliest noun use it meant "a necktie" (1725).