hendecahedron

Etymology
From.

Noun

 * 1)  A polyhedron with eleven faces.

Translations

 * Finnish: 11-tahokas
 * French:
 * German: Hendekaeder, 11-Flächner, Elfflächner
 * Italian: endecaedro
 * Polish: 11-ścian
 * Russian:
 * Ukrainian: одинадцятигранник