16-cell

Noun

 * 1)  A four-dimensional polytope, analogous to an octahedron, whose sixteen bounding facets are tetrahedra.

Translations

 * Esperanto: deksesĉelo
 * Italian: 16-cella, 4-ortoplesso, ipertetraedro, esadecacoro
 * Japanese: 正十六胞体
 * Russian: