pt. and pp. of overlay 1 .

to lay or place (one thing) over or upon another.

to cover, overspread, or surmount with something.

to finish with a layer or applied decoration of something

wood richly overlaid with gold.

Printing . to put an overlay upon.

something laid over something else; covering.

a layer or decoration of something applied

an overlay of gold.

Printing .

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.