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overlay

   Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia, Hutchinson 0.05 sec.

(1) A preprinted, precut form placed over a screen, key or tablet for identification purposes. See keyboard template.

(2) A program segment called into memory when required. When a program is larger than the memory capacity of the machine, parts of the program not in constant use can be set up as overlays. Each overlay called in overwrites the existing overlay in memory. Virtual memory provides for automatic overlays. See virtual memory.
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High over the tree-tops, in a widespread, trailing, noisy crew, there fly, with resounding cries, flocks of birds which seem to darken and overlay the very heavens.
Poor Folk by Dostoyevsky, Fyodor View in context
From in front and especially from the right, in the unlifting smoke the guns boomed, and out of the mysterious domain of smoke that overlay the whole space in front, quick hissing cannon balls and slow whistling shells flew unceasingly.
War and Peace by Tolstoy, Leo View in context
Towards nine o'clock he smoothed his ruffled aspect, and, presenting as respectable and business-like an exterior as he could overlay his natural self with, issued forth to the occupation of the day.
A Tale Of Two Cities by Dickens, Charles View in context
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