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See also: octàgon

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EnglishEdit

 
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A regular octagon

EtymologyEdit

First attested in 1656, from Latin octagonos, from Ancient Greek οκτάγωνος (oktágōnos, eight-angled), from ὀκτώ (oktṓ, eight) + γωνία (gōnía, angle). The adjective octagonal was first mentioned from 1571.

PronunciationEdit

  • (US) IPA(key): /ˈɒk.tə.ɡɒn/
  • (UK) IPA(key): /ˈɒk.tə.ɡən/
  • (file)

NounEdit

octagon (plural octagons)

  1. (geometry) A polygon with eight sides and eight angles.
  2. (martial arts, usually capitalized) The arena for mixed martial arts, particularly as trademarked by the UFC.

Related termsEdit

TranslationsEdit