Wordnet 3.0
NOUN (1)
1.
any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent;
[syn: regular polyhedron, regular convex solid, regular convex polyhedron, Platonic body, Platonic solid, ideal solid]
WordNet (r) 3.0 (2006):
ideal solid
n 1: any one of five solids whose faces are congruent regular
polygons and whose polyhedral angles are all congruent
[syn: regular polyhedron, regular convex solid,
regular convex polyhedron, Platonic body, Platonic
solid, ideal solid]