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.
The jewelry pendant is in the shape of the iconic UFC octagon ring with a base of precious metals covered in precious gems. Anthony Demarco, Forbes, 20 Dec. 2024 There were rumors Trump would attend more fights in the octagon after attending numerous UFC events in the past. Scott Thompson, Fox News, 17 Nov. 2024 The caustic atmosphere surrounding the fight sparked a melee outside the octagon immediately after it was finished, and eventually led to suspensions for Nurmagomedov and McGregor. Lauren Merola, The Athletic, 22 Nov. 2024 Weidman took over two years off, returning to the octagon to face Brad Tavares at UFC 292: Sterling vs. O'Malley in Aug. 2023. Matt Robison, Newsweek, 21 Nov. 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 30 Dec. 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!