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