1. Pieces of wood used to secure, join, or reinforce members, or to fill spaces between them.
2.A method of bonding two adjoining or intersecting walls, not built at the same time, by means of offsets whose vertical dimensions are not less than 8 in. (20 cm).
3. The sticking together of two painted surfaces when pressed together.
4.An undesired adhesion between touching layers of amaterial, as occurs under moderate pressure during storage or use.
5. Small blocks of wood used for shimming.
6.Wood which is built into a roofing system above the deck but below the membrane and flashing; used to stiffen the deck around the opening, to serve as a stop for thermal insulation, and to serve as a nailer for attachment of the membrane or flashing.