WordNet 3.0
Noun (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 exteriorSynonyms: sheathingoverlay
Webster's Dictionary (GCIDE)
Overlayer \O"ver*lay"er\, n. One who overlays; that with which anything is overlaid. [1913 Webster]