Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun regular_octahedron

1 sense of regular octahedron

Sense 1
regular octahedron -- (an octahedron with eight equilateral triangles as faces)
       => regular polyhedron, regular convex solid, regular convex polyhedron, Platonic body, Platonic solid, ideal solid -- (any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent)