- cover the surface of (something) with a coating；lie on top of
- something laid as a covering over something else；a transparency placed over artwork or something such as a map, marked with additional information or detail
verb: overlay, 3rd person present: overlays, gerund or present participle: overlaying, past tense: overlaid, past participle: overlaid
noun: overlay, plural noun: overlays
- 1. cover 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
- 1. something laid as a covering over something else a durable, cost-effective floor overlay
- ▪ a transparency placed over artwork or something such as a map, marked with additional information or detail full-color aerial photographs with overlays showing suggested routes
- ▪ a graphical computer display which can be superimposed on another.
- 2. the process of transferring a block of program code or other data into internal memory, replacing what is already stored.
- ▪ a block of code or other data transferred during the overlay process.