- A piece of wood built up of plies or laminations that have been joined either with glue or with mechanical fastenings: the term is most frequently applied where the plies are too thick to be classified as veneer and when the grain of all plies is parallel.
- The part of a tree's annual growth ring that is formed later in the season
- A thin, narrow wooden strip, used as a backing for wall plaster or other materials.
Light sap stain
- A slight difference in color which will not materially impair the appearance of a piece if given a natural finish.
- The second most abundant constituent of wood, located principally in the secondary wall and the middle lamella, which is the thin cementing layer between wood cells. Chemically, it is an irregular polymer of substituted propylphenol groups, and thus no simple chemical formula can be written for it.
- A measurement of the length of a board in one dimension; this is not the same as a board foot which is a volumetric measurement.
- A portion of a trunk (or stem) of a felled tree that has been cleared of branches and made ready for sawing into lumber.
- A knot that is not held firmly in place by growth, shape, or position and that cannot be relied upon to remain in place.
Loosened or raised grain
- Consists of a small portion of the wood being loosened or raised but not displaced.
- A manufactured product derived from a log in a sawmill, or in a sawmill and planing mill, which when rough shall have been sawed, edged and trimmed at least to the extent of showing saw marks in the wood on the four longitudinal surfaces of each piece for its overall length, and which has not been further manufactured other than by cross-cutting, ripping, resawing, joining crosswise and/or endwise in a flat plane, surfacing with or without end matching, and working.
- A record of lumber giving the number of boards or pieces by width, thickness, length, grade and species.
The Wood Glossary