Overlay - Definition

n 1: protective covering consisting, for example, of a layer of
boards applied to the studs and joists of a building to
strengthen it and serve as a foundation for a weatherproof
exterior [syn: sheathing, overlay, overlayer]
2: a layer of decorative material (such as gold leaf or wood
veneer) applied over a surface
v 1: put something on top of something else; "cover the meat
with a lot of gravy" [syn: overlay, cover]
2: kill by lying on; "The sow overlay her piglets" [syn:
overlie, overlay]