Definitions for

**"Heptagon"**A plane figure consisting of seven sides and having seven angles.

a plane closed figure with seven sides and seven angles.

a figure with seven sides and a heptachord is a seven-stringed musical instrument

Definitions for **"Heptagon"**

A plane figure consisting of seven sides and having seven angles.

a plane closed figure with seven sides and seven angles.

a figure with seven sides and a heptachord is a seven-stringed musical instrument