1. 
   pentahedron
   [n] - any polyhedron having five plane faces
   Found op http://www.webdictionary.co.uk/definition.php?query=pentahedron
   
   
2. 
   Pentahedron
   Pen`ta·he'dron noun [ Penta- + Greek 'e`dra seat, base.] A solid figure having five sides.
   Found op http://www.encyclo.co.uk/webster/P/48
   
   
3. 
   pentahedron
   noun any polyhedron having five plane faces
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=pentahedron
   
   
4. 
   Pentahedron
   • (n.) A solid figure having five sides.
   Found op http://thinkexist.com/dictionary/meaning/pentahedron/
   
   
5. 
   Pentahedron
   In geometry, a pentahedron (plural: pentahedra) is a polyhedron with five faces. Since there are no face-transitive polyhedra with five sides and there are two distinct topological types, this term is less frequently used than tetrahedron or octahedron. With regular polygon faces, the two topologic...
   Found op http://en.wikipedia.org/wiki/Pentahedron
   
   
6. 
   pentahedron
   1) Any polyhedron having five plane faces 2) Polyhedron
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/pentahedron/1
   
   

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