English

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

 

polygon

 noun
noun
BrE BrE//ˈpɒlɪɡən//
 
; NAmE NAmE//ˈpɑːliɡɑːn//
 
(geometry)
 
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a flat shape with at least three straight sides and angles, and usually five or more Word Origin late 16th cent.: via late Latin from Greek polugōnon, neuter (used as a noun) of polugōnos ‘many-angled’.
See the Oxford Advanced American Dictionary entry: polygon