Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: heptagon  'hep-tu,gón [N. Amer], 'hep-tu-gun [Brit]
  1. A seven-sided polygon
    "The British 50 pence coin is shaped like a heptagon"

Derived forms: heptagons

Type of: polygon, polygonal shape

Encyclopedia: Heptagon