Octagon

ahd-5
  • noun. A polygon with eight sides and eight angles.
    • The Century Dictionary and Cyclopedia
  • noun. A gold coin of octagonal shape, of the value of 50 dollars, issued in 1851 by the United States assay-office in San Francisco.
  • noun. In geometry, a figure of eight angles and eight sides. When the sides and angles are equal, it is a regular octagon.
  • noun. In fortification, a work with eight bastions.
    • the GNU version of the Collaborative International Dictionary of English
  • noun. A plane figure of eight sides and eight angles.
  • noun. Any structure (as a fortification) or place with eight sides or angles.
  • noun. one in which the sides are all equal, and the angles also are all equal.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. A polygon with eight sides and eight angles.
  • noun. The arena for mixed martial arts, particularly as trademarked by the UFC.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. an eight-sided polygon
    • Word Usage
    "The octagon was a room perhaps one hundred feet across and thirty feet high."
    cross-reference
    octagon loop  
    Hypernym
    Words that are more generic or abstract
    polygon  polygonal shape  
    Same Context
    Words that are found in similar contexts
    55-gallon  Sistine  beautifulest  checkerboard  crocketed  
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