sources of timber definition
Trees in a forest regarded as a source of wood. timber (Noun). Wood that has been pre-cut and is ready for use in construction. timber (Noun). A heavy wooden beam, generally a whole log that has been squared off and used to provide heavy support for something such as a roof.Historically also used in the plural, as in ship's timbers.ood that has been pre-cut and is ready for use in construction. timber (Noun). A heavy wooden beam, generally a whole log that has been squared off and used to provide heavy support for something such as a roof.