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Definition of octagon noun from the Oxford Advanced Learner's Dictionary

octagon

noun
 
/ˈɒktəɡən/
 
/ˈɑːktəɡɑːn/
 (geometry)
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  1. a flat shape with eight straight sides and eight anglesTopics Colours and Shapesc2
    Word Originlate 16th cent.: via Latin from Greek octagōnos ‘eight-angled’.
See octagon in the Oxford Advanced American Dictionary
Check pronunciation: octagon

Nearby words

trait
noun
 
 
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