A hexahedron is a solid figure with six faces or sides. The most common example of a hexahedron is a cube, a shape consisting of six squares.
Other examples of hexahedrons include cuboids, which consist of three pairs of rectangles, rhombohedrons, which consist of three pairs of rhombuses, and parallelepipeds, which consist of three pairs of parallelograms. The term hexahedron is derived from the Greek word with the same definition, hexáedron. The term hexa is derived from the Greek word hex, meaning six. The term hedron is derived from the Greek words hedra and edron, meaning base and sided, respectively.