Noun: overlayer 'ow-vu(r),ley-u(r)
- 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
"The carpenters installed the overlayer before adding the siding";
- sheathing, overlay
Derived forms: overlayers
Type of: protection, protective cover, protective covering
Encyclopedia: Overlayer