overlay1

 

verb

Pronunciation: /əʊvəˈleɪ/
(past and past participle overlaid) [with object] (often be overlaid with)
  • 1cover the surface of (something) with a coating: their fingernails were overlaid with silver or gold
  • lie on top of: a third screen which will overlay the others
  • 2(of a quality or feeling) become more prominent than (a previous quality or feeling): his openness had been overlaid by his new self-confidence

noun

Pronunciation: /ˈəʊvəleɪ/
  • 1something laid as a covering over something else: a durable, cost-effective floor overlay
  • a transparent sheet placed over artwork or something such as a map, giving additional information or detail: full-colour aerial photographs with overlays showing suggested routes
  • 2 [mass noun] Computing the process of transferring a block of program code or other data into internal memory, replacing what is already stored.
  • [count noun] a block of code or other data transferred during the overlay process.