do·​deca·​gon dō-ˈde-kə-ˌgän How to pronounce dodecagon (audio)
: a polygon of 12 angles and 12 sides

Examples of dodecagon in a Sentence

Recent Examples on the Web The second floor will remain a dodecagon (12-sided), with two additional bedrooms, a bathroom, living space and an outdoor terrace. Alina Dizik, WSJ, 30 Mar. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'dodecagon.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Greek dōdekagōnon, from dōdeka- + -gōnon -gon

First Known Use

circa 1658, in the meaning defined above

Time Traveler
The first known use of dodecagon was circa 1658

Dictionary Entries Near dodecagon

Cite this Entry

“Dodecagon.” Dictionary, Merriam-Webster, Accessed 13 Apr. 2024.

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