holyhedron

== English == === Etymology === Blend of hole or holey and polyhedron === Pronunciation === === Noun === holyhedron (plural holyhedra) (geometry) A polyhedron with a finite number of faces and with a polygonal hole in every face, the holes' boundaries sharing no point with each other or the face's boundary. ==== Translations ==== === Further reading === Holyhedron on Wikipedia.Wikipedia MathWorld