Noun: pentagon 'pen-tu,gón [N. Amer], pen-tu-gun [Brit]
- A five-sided polygon
"The U.S. Department of Defense headquarters is housed in a building shaped like a pentagon"
- A government building with five sides that serves as the headquarters of the United States Department of Defense
- The Pentagon
- (military) the United States military establishment
Derived forms: pentagons
Type of: bureaucracy, government building, polygon, polygonal shape
Encyclopedia: Pentagon, Virginia