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 upper four tiers are round with plain white icing and a simple ribbon, while the base tier is an octagon shape decorated with ivy sugar work and the couple's initials in a gold cursive script. Tamara Abraham, Harper's BAZAAR, "Your First Look at Princess Eugenie's Red Velvet Wedding Cake," 6 Oct. 2018 Mark Clement of MyFixItUpLife built this octagon firewood organizer in a couple hours using 2 x 6 cedar. Timothy Dahl, Popular Mechanics, "How to Build a Stylish Octagonal Firewood Rack," 22 Sep. 2016 Afterward, Cormier called out a cageside Brock Lesnar, who entered the octagon and immediately shoved the new champ. Steven Marrocco, USA TODAY, "Daniel Cormier takes heavyweight title from Stipe Miocic at UFC 226, now 2-division champ," 8 July 2018 The Wisconsin Entertainment and Sports Center is ready for the octagon. Ben Steele, Milwaukee Journal Sentinel, "UFC is coming back to Milwaukee, this time to new arena," 7 July 2018 During his break from the octagon, McGregor went into the boxing ring to fight undefeated welterweight champion Floyd Mayweather. Scooby Axson, SI.com, "Conor McGregor Still In Talks for UFC Return," 5 July 2018 In nearby Hammondsport, Black Sheep Inn and Spa occupies a historic octagon house. Alison Humes, WSJ, "Summer Getaways That You Don’t Need To Sweat Over," 28 June 2018 There’s no reason to expect a different result if Lesnar steps into the octagon with Cormier, who will present a similar challenge for the WWE star. Steven Ruiz, For The Win, "Daniel Cormier and Brock Lesnar cut cringy promo for a fight we don't need," 8 July 2018 As the round wore on, Pennington did find some moderate success in the center of the octagon, but Nunes continued to pepper away at the body and legs. John Morgan, USA TODAY, "Amanda Nunes dominates Raquel Pennington in defending bantamweight title at UFC 224," 13 May 2018

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

The first known use of octagon was in 1594

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More Definitions for octagon



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

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Spanish Central: Translation of octagon

Nglish: Translation of octagon for Spanish Speakers

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