decagon

noun
deca·​gon | \ ˈde-kə-ˌgän How to pronounce decagon (audio) \

Definition of decagon

: a plane polygon of 10 angles and 10 sides

Illustration of decagon

Illustration of decagon

First Known Use of decagon

circa 1639, in the meaning defined above

History and Etymology for decagon

New Latin decagonum, from Greek dekagōnon, from deka- deca- + -gōnon -gon

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Time Traveler for decagon

Time Traveler

The first known use of decagon was circa 1639

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Dictionary Entries Near decagon

decaffeinize

decagon

decagram

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Cite this Entry

“Decagon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decagon. Accessed 27 Jun. 2022.

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More Definitions for decagon

decagon

noun
deca·​gon | \ ˈde-kə-ˌgän How to pronounce decagon (audio) \

Kids Definition of decagon

: a closed figure having ten angles and ten sides

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