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English definition of “octagon”

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octagon

noun [C]  /ˈɑk·təˌɡɑn/ us  
geometry a flat shape with eight straight sides and eight angles
octagonal
adjective [not gradable]  /ɑkˈtæɡ·ə·nəl/ us  
Translations of “octagon”
in Spanish octágono…
in French octogone…
in German das Achteck…
in Chinese (Traditional) 八邊形, 八角形…
in Russian восьмиугольник…
in Turkish sekizgen…
in Chinese (Simplified) 八边形, 八角形…
in Polish ośmiokąt…
(Definition of octagon from the Cambridge Academic Content Dictionary © Cambridge University Press)
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