noun / verb
overlay
oh-vur-LAY/ˌəʊvərˈleɪ/
A layer placed over something.
A transparent overlay covers the landscape drawing without hiding it.

Etymology
The pieces express placing something over something else. The covering sense keeps that concrete image: material laid on top becomes a layer covering the surface beneath.
In context
you can select any u.s state or any country around the world and you can overlay it on top of the moon drag it and so you can compare landforms on the moon
More examples
- The table has a thin wood overlay.
- The designer overlays the photograph with a grid.
- We overlaid the old map with a transparent street plan.
Forms
overlay · overlays · overlaid · overlaying
Similar words
- coating
- Usually a substance applied directly, rather than a separate sheet.
- superimpose
- Emphasizes placing one image over another so both remain visible.