How to sign: any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent
Similiar / Same: regular polyhedron, regular convex solid, regular convex polyhedron, Platonic body, Platonic solid
Categories: polyhedron
Within this category: cube, regular dodecahedron, regular icosahedron, regular octahedron, regular tetrahedron