oc·​ta·​gon | \ ˈäk-tə-ˌgän How to pronounce octagon (audio) \

Definition of octagon

: a polygon of eight angles and eight sides

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Other Words from octagon

octagonal \ äk-​ˈta-​gə-​nᵊl How to pronounce octagonal (audio) \ adjective
octagonally \ äk-​ˈta-​gə-​nᵊl-​ē How to pronounce octagonally (audio) \ adverb

Examples of octagon in a Sentence

Recent Examples on the Web The 39-year-old Xenia, Ohio native owns the UFC welterweight division records for finishes in the octagon (13) and knockouts (11). Jason Hoffman, Cincinnati.com, "Ohio native Matt Brown on upcoming UFC Fight Night bout: 'A fight's a fight'," 13 May 2020 Besides a nearly empty arena and people staying far apart from one another outside the octagon? Morgan Campbell, New York Times, "U.F.C. 249: What to Expect as Fighting Attempts a Coronavirus Comeback," 9 May 2020 Nothing as entertaining inside — and maybe even outside — the octagon. Josh Peter, USA TODAY, "Opinion: The sports world is better with Conor McGregor back in the octagon," 19 Jan. 2020 According to one report, the cage floor and padding of the octagon where fights take place were regularly cleaned during Saturday night's proceedings. Ravi Ubha, CNN, "After message from Trump, UFC marks sports' return during coronavirus pandemic," 10 May 2020 The second Magic Lining prototype consisted of 25 motors on felt fabric, arranged in a 20-by-20 centimeter octagon that resembled a spiderweb. Courtney Linder, Popular Mechanics, "Vibrating Clothes Could Alter the Perception of Your Own Body," 29 Apr. 2020 The new observation deck will be a 50-by-18-foot observation deck elevated by 10 feet, 6 inches above the existing octagon at the south end of the pier. al, "Gulf State Park Pier remains open during coronavirus but closing for renovations," 20 Apr. 2020 McGregor will fight inside the octagon for only the second time in 38 months and the first time since he was choked out by Khabib Nurmagomedov in October 2018. Dan Gelston, The Denver Post, "Donald Cerrone, UFC’s toughest “Cowboy,” set for career fight vs. Conor McGregor," 2 Dec. 2019 McGregor figures to boost the promotion’s ticket and pay-per-view sales by simply entering the octagon to fight Cerrone, a fan favorite known for taking fights across divisions who is also coming off consecutive losses. Morgan Campbell, New York Times, "Conor McGregor and U.F.C. Attempt a Shift Away from Heel Status," 18 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'octagon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of octagon

1594, in the meaning defined above

History and Etymology for octagon

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

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Time Traveler for octagon

Time Traveler

The first known use of octagon was in 1594

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Statistics for octagon

Cite this Entry

“Octagon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/octagon. Accessed 12 Aug. 2020.

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More Definitions for octagon


How to pronounce octagon (audio)

English Language Learners Definition of octagon

mathematics : a flat shape that has eight sides and eight angles


oc·​ta·​gon | \ ˈäk-tə-ˌgän How to pronounce octagon (audio) \

Kids Definition of octagon

: a flat geometric figure with eight angles and eight sides

More from Merriam-Webster on octagon

Spanish Central: Translation of octagon

Nglish: Translation of octagon for Spanish Speakers

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