noun.
A parallelopiped whose six faces are rectangles.
noun.
In anthropology, a cranium, short, high, and wide, of somewhat angular form.
Resembling a cube in form.
noun.
In anatomy, the outermost bone of the distal row of tarsal bones, or bones of the instep, supporting the heads of the fourth and fifth metatarsal bones: so called from its cubic form in man.