Octagon Definition
ŏktə-gŏn
octagons
noun
A plane figure with eight angles and eight sides.
Webster's New World
(martial arts, usually capitalized) The arena for mixed martial arts, particularly as trademarked by the UFC.
Wiktionary
Other Word Forms of Octagon
Noun
Singular:
octagon
Plural:
octagonsOrigin of Octagon
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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.
From Wiktionary
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Latin octagōnon from Greek oktagōnon from neuter of oktagōnos octagonal okta- octo- -gōnos angled –gon
From American Heritage Dictionary of the English Language, 5th Edition
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