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Noun: pentagon  'pen-tu,gón [N. Amer], pen-tu-gun [Brit]
  1. A five-sided polygon
Noun: Pentagon  'pen-tu,gón [N. Amer], pen-tu-gun [Brit]
  1. (military) the United States military establishment
     
  2. A government building with five sides that serves as the headquarters of the United States Department of Defense

Derived forms: pentagons

Type of: bureaucracy, bureaucratism, government building, polygon, polygonal shape

Encyclopedia: Pentagon, Virginia