六ろく面めん体たいろくめんたいじ字FuriganaMeanings1noun, noun which may take the genitive case particle 'no'hexahedrongeometry›A solid figure with six faces; in geometry, a cube is a regular hexahedron. Used as a noun or with の to modify another noun.立りっ方ぽう体たいは正せい六ろく面めん体たいの一いっ種しゅです。