A square cross section refers to one of the two-dimensional shapes obtained when slicing through a solid perpendicular to its base or axis. The resulting shape resembles a square with equal side lengths.
Related terms
Length/Width/Height: These terms refer to the dimensions of an object in three-dimensional space. In this case, length refers to one side length of the square cross section.
Base: The base of a solid is typically one face or surface upon which it rests or from which other measurements are taken.