octagon

American  

[ok-tuh-gon, -guhn] / ˈɒk təˌgɒn, -gən /

noun

1. a polygon having eight angles and eight sides.

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octagon British  

/ ˈɒktəɡən /

noun

1. a polygon having eight sides

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octagon Scientific  

/ ŏk′tə-gŏn′ /

1. A polygon having eight sides.

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octagon Cultural  

1. A polygon having eight sides.

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Etymology

Origin of octagon

1650–60; < Latin octagōnon < Greek oktágōnon, noun use of neuter of oktágōnos octangular; octa-, -gon

Example Sentences

When it comes to how the fight might play out in the octagon, the pair are evenly matched.

From BBC

Gane was equally annoyed at the outcome and could be seen pacing around the edge of the octagon, shaking his head, as the result was announced.

From BBC

Despite his winning streak, Murphy's reserved personality in comparison to some of his brash peers means he has sometimes failed to get the credit he deserves for his work in the octagon.

From BBC

Aspinall will feel his reign as undisputed champion won't officially start until the next time his hand is raised in the octagon.

From BBC

In repositioning rugby, Calder hasn't looked outside the box, but into the octagon.

From BBC