Definition of hendecagon in English:

hendecagon

Syllabification: hen·dec·a·gon
Pronunciation: /henˈdekəˌgän
 
/

noun

A plane figure with eleven straight sides and angles.
More 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.

Origin

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

Derivatives

hendecagonal

Pronunciation: /ˌhendəˈkagənl/
adjective
More 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.

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Word of the day grammarian
Pronunciation: grəˈmɛːrɪən
noun
a person who studies and writes about grammar