Definition of octagon Octagon
/ɑˈktʌgɑˌn/ - [aktugan] - oc•ta•gon
We found 11 definitions of octagon from 9 different sources.
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What does octagon mean?
WordNet
NounPlural: octagons |
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| octagon - an eight-sided polygon |
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Wiktionary 
Webster DictionaryWebster's Unabridged Dictionary 📘
- octagon (n.)
A plane figure of eight sides and eight angles. - octagon (n.)
Any structure (as a fortification) or place with eight sides or angles.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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octagon
A polygon with eight sides.
Chambers DictionaryChamber's 20th Century Dictionary 📕
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octagon
ok′ta-gon, n. a plane figure of eight sides and eight angles.—adj. Octag′onal. [Gr. oktō, eight, gōnia, an angle.]
Sailor's Word-BookThe Sailor's Word-Book ⛵
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octagon
A geometrical figure which has eight equal sides and angles.
Military DictionaryMilitary Dictionary and Gazetteer 💥
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octagon
A figure or polygon that has eight equal sides, which likewise form eight equal angles. The octagon in fortification is well calculated in its ground for the construction of large towns, or for such as have the advantage of neighboring rivers, especially if the engineer can so place the bastions, that the entrances and outlets of the rivers may be in some of the curtains. By means of this disposition no person could come in or go out of the garrison without the commandant’s permission, as the sentinels must have a full view from the flanks of the neighboring bastions.
Wikipedia 
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An Octagon is a shape. It has 8 sides and 8 vertices (corners).
Regular Octagons.
A regular octagon has all eight sides the same length and each side is 135° and all the angles added together equals 1080°.
Part of speech
🔤- octagon, noun, singular of octagons.
Pronunciation
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