"Dimensional lumber" refers to wood that has been cut and processed into standard sizes and dimensions, such as 2x4 or 2x6 boards. It is often used in construction and building projects. Full definition
I wanted to make the design and construction of the DIY sofa table very attainable and easy to make so I used dimensional lumber for the base. (fixthisbuildthat.com)
Company Name • Southeast Alabama 11/1999 — Present Procurement / Land Management Forester Direct the production of approximately 104 million board feet per year involving a varied mix of dimensional lumber products for the home building trades marketed various companies including Home Depot and Lowe's. (resumemycareer.com)
Contrary to popular belief, when logging occurs, only a fraction of the wood that is cleared ends up as dimensional lumber and eventually in housing and other structures. (forest-trends.org)