a long, thick piece of wood, metal, or concrete, especially used to support weight in a building or other structure
Modern skyscrapers are made with several beams.
The construction workers carefully placed a massive steel beam to support the weight of the new skyscraper under construction.
The ancient castle's wooden beams have been standing for centuries, showcasing the craftsmanship of that era's builders.
The architect incorporated wooden beams into the design of the rustic cabin to both support the structure and add a charming, natural aesthetic.
