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English definition of “heptagon”

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noun [C] uk   /ˈhep.tə.ɡən/ us    /-ɡɑːn/
a shape with seven straight sides
adjective uk   /hepˈtæɡ.ən.əl/ us  
Translations of “heptagon”
in Chinese (Traditional) 七邊形…
in Chinese (Simplified) 七边形…
(Definition of heptagon from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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