polydodecahedron

noun2

1. •
   convex regular 4-polytype (four-dimensional analogue of a Platonic solid) with Schläfli symbol {5,3,3}
2. •
   also called 120-cell, dodecaplex (short for "dodecahedral complex"), hyperdodecahedron, hecatonicosachoron, dodecacontachoron and hecatonicosahedroid