octagon
Definition from Wiktionary, the free dictionary
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English [edit]
Etymology [edit]
First attested in 1656, from Latin octagonos, from Ancient Greek οκτάγωνος (oktágōnos, “eight-angled”), from ὀκτώ (octō, “eight”) + γωνία (gōnía, “angle”). The adjective octagonal was first mentioned from 1571.
Noun [edit]
octagon (plural octagons)
- (geometry) A polygon with eight sides and eight angles.
- (martial arts, usually capitalized) The arena for mixed martial arts, particularly as trademarked by the UFC.
Translations [edit]
polygon with eight sides and eight angles
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