noun
hendecagon
hen-DEK-uh-gon
Hendecagon (noun) means a shape with eleven straight sides and eleven angles. Example: “The architect sketched the plaza as a hendecagon rather than a simple circle.”
noun
1
technical A shape with eleven straight sides and eleven angles.
"The architect sketched the plaza as a hendecagon rather than a simple circle."
"A regular hendecagon has all eleven sides the same length."
"Students were asked to draw a hendecagon using only a ruler and compass."
How to use hendecagon
Learner’s notesIn plain EnglishA geometric shape with eleven sides.
When to use it
Hendecagon is a specialist geometry term rarely used outside maths.
Memory tip
The eleven sides are easier to remember by counting from decagon (ten) up by one.
Trace the full origin ↓
Easily confused with
Common pairings
regular hendecagon
irregular hendecagon
a hendecagon shape
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The architect sketched the plaza as a _____ rather than a simple circle.
Etymology
The word is formed in English by combining the prefix hendeca- with the suffix -gon, the same ending found in words for other many-sided shapes.
Synonyms
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11-gon
endecagon
undecagon
Rhymes for hendecagon
See all rhymes for hendecagon →Frequently asked questions
What is a hendecagon?
It is a shape with eleven sides and eleven angles.
Is a hendecagon the same as an 11-gon?
Yes, 11-gon is simply an alternative name for a hendecagon.
What is another word for hendecagon?
Undecagon and endecagon are both used as alternative names for the same eleven-sided shape.
What is the meaning of hendecagon?
"hendecagon" (noun) means a shape with eleven straight sides and eleven angles.
