Jisho

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Noun
1. eight-sided shape; octagon
Wikipedia definition
2. OctagonIn geometry, an octagon (from the Greek ὀκτάγωνον oktágōnon, "eight angles") is a polygon that has eight sides. A regular octagon is represented by the Schläfli symbol {8}.
Read “Octagon” on English Wikipedia
Read “八角形” on Japanese Wikipedia
Read “Octagon” on DBpedia
Other forms
八角形 【はっかっけい】8角形 【はっかくけい】8角形 【はっかっけい】

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