from the GNU version of the Collaborative International Dictionary of English
- adj. a polyhedron whose faces are equal regular polygons. There are five regular polyhedrons, -- the tetrahedron, the hexahedron, or cube, the octahedron, the dodecahedron, and the icosahedron.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent
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