undecagon

Etymology
.

Noun

 * 1)  A polygon with eleven sides and eleven angles.

Translations

 * Chinese:
 * Mandarin:
 * Czech:
 * Dutch:
 * French:
 * Georgian: თერთმეტკუთხედი
 * German:
 * Irish: aondeacagán
 * Italian: undecagono
 * Spanish:
 * Swedish: elvahörning,