Dodecahedron
Dodecahedron , noun
[Greek {not transcribed}; {not transcribed} twelve + {not transcribed} seat, bottom, base: compare French dodécaèdre.]
(Geometry & Crystallography) A solid having twelve faces.
The regular dodecahedron is bounded by twelve equal and regular pentagons; the pyritohedron (see Pyritohedron) is related to it; the rhombic dodecahedron is bounded by twelve equal rhombic faces.