A solid (3-dimensional) object which has six faces that are rectangles.
It has the same cross-section along a length, which makes it a prism.
It is also a "cuboid".
Play with one here:
A solid (3-dimensional) object which has six faces that are rectangles.
It has the same cross-section along a length, which makes it a prism.
It is also a "cuboid".
Play with one here: