octagon

noun

oc·​ta·​gon ˈäk-tə-ˌgän How to pronounce octagon (audio)
: a polygon of eight angles and eight sides
octagonal adjective
octagonally adverb

Examples of octagon in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
White has always been about elevating the UFC brand beyond the octagon. Erik Logan, Forbes, 19 Sep. 2024 Originally built in 1860 as a relatively modest octagon house, it was completely reimagined in 1872 by Joseph Stiner, a prominent New York City tea merchant, who fashioned it after an ancient classical Roman temple. Jeanne Muchnick, USA TODAY, 6 Sep. 2024 His second was identical to Reinhardt’s — that a rounded octagon is the worst possible shape. Quanta Magazine, 28 June 2024 Local businesses emanate for a few square blocks around Town Square, a paved octagon surrounded by trees and grass that also features a historic gazebo. Tara Massouleh McCay, Southern Living, 18 June 2024 See all Example Sentences for octagon 

Word History

Etymology

Latin octagonum, from Greek oktagōnon, from okta- + -gōnon -gon

First Known Use

1594, in the meaning defined above

Time Traveler
The first known use of octagon was in 1594

Dictionary Entries Near octagon

Cite this Entry

“Octagon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/octagon. Accessed 23 Nov. 2024.

Kids Definition

octagon

noun
oc·​ta·​gon ˈäk-tə-ˌgän How to pronounce octagon (audio)
: a polygon with eight angles and eight sides
octagonal adjective

More from Merriam-Webster on octagon

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!