Noun: icosahedron (icosahedra,icosahedrons) I,kow-su'hee-drun [N. Amer], I,kó-su'hee-drun [Brit]
- Any polyhedron having twenty plane faces
"Many role-playing games use a 20-sided die shaped like an icosahedron"
Derived forms: icosahedra, icosahedrons
Type of: polyhedron
Encyclopedia: Icosahedron