1. (

• sheathing ,
• overlay ,
• overlayer

) 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 ;

2. (

• overlay ,

) a layer of decorative material (such as gold leaf or wood veneer) applied over a surface ;

1. (

• overlay ,
• cover ,

) put something on top of something else; "cover the meat with a lot of gravy" ;

2. (

• overlie ,
• overlay ,

) kill by lying on; "The sow overlay her piglets" ;