(geometry) A convex polyhedron that has 12 congruent rhombic faces, 24 edges and 14 vertices of two types (eight 3-edge and six 4-edge) and is a Catalan solid.

Twelve pentagonal faces solid shape.

Twelve regular pentagonal faces polyhedron.

(geometry) An Archimedean solid with thirty-two regular faces (twelve decagons and twenty triangles) and ninety edges.

(geometry) A polyhedron that has 12 pentagonal and 80 triangular faces and is an Archimedean solid.

(mathematics) A Catalan solid equivalent to a dodecahedron with a pentagonal pyramid covering each face

(geometry) A Kepler solid, with the Schläfli symbol {5,5/2}.

(archaeology) A small hollow dodecahedral object of bronze or stone, with holes in the faces, mostly found at Gallo-Roman sites. Their use and significance is uncertain.

In geometry, the trapezo-rhombic dodecahedron or rhombo-trapezoidal dodecahedron is a convex dodecahedron with 6 rhombic and 6 trapezoidal faces.