Wordia - The Definition Of Beam
beam
noun, a long thick straight-sided piece of wood, metal, concrete, etc, esp one used as a horizontal structural member
From Collins
©HarperCollins 2008. Collins English Dictionary definition of beam
noun, a long thick straight-sided piece of wood, metal, concrete, etc, esp one used as a horizontal structural member
From Collins
©HarperCollins 2008. Collins English Dictionary definition of beam