octagon definition

  • noun:
    • A polygon with eight sides and eight sides.
    • A polygon with eight edges and eight sides.
    • The arena for mixed martial arts, particularly as trademarked by the UFC.
    • an airplane figure of eight sides and eight angles.
    • Any structure (as a fortification) or location with eight sides or perspectives.
    • In geometry, a figure of eight angles and eight sides. When the sides and perspectives are equal, it's an everyday octagon.
    • In fortification, a-work with eight bastions.
    • A gold money of octagonal shape, of this worth of 50 bucks, released in 1851 because of the US assay-office in bay area.
    • an eight-sided polygon

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