Definition of hendecagon in English:

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Pronunciation: /hɛnˈdɛkəɡ(ə)n/


A plane figure with eleven straight sides and angles.
Example sentences
  • The regular hendecagon cannot be constructed using the classical Greek rules of geometric construction.
  • Though hendecagons are the most flexible polygons we have examined, there is a downside.
  • The hendecagons in the model are not quite regular.



Pronunciation: /ˌhɛndɪˈkaɡ(ə)n(ə)l/
Example sentences
  • Likewise, the Susan B. Anthony dollar, in addition to its hendecagonal design, was nice because it featured a leader of the women's suffrage movement.
  • The failure of the Susan B. Anthony dollar was largely attributed to its quarter-like size and appearance; it was originally hendecagonal to get around this very problem, but coin people would only take round.
  • After a few hendecagonal dollar coins' worth of beer every real Canadian begins to sound off his maniacal laughing leading into the falsetto wailing loon call.


Early 18th century: from hendeca- 'eleven' + -gon, on the pattern of words such as polygon.

For editors and proofreaders

Line breaks: hen|deca¦gon

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