[hep-tuh-gon, -guh n]
- a polygon having seven angles and seven sides.
Origin of heptagon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for heptagon
Any child can make a heptagon at once, notwithstanding Mr. Abbott calls it so difficult.
Heptagon, hep′ta-gon, n. a plane figure with seven angles and seven sides.
In the power room of the heptagon a hexan officer turned fiercely to another, who was offering advice.
As that dazzling wall sprang into being, the sparkling green protection died from the walls of the heptagon.
There he and his fellows labored day after day learning every secret of every item of armament and equipment aboard the heptagon.
- a polygon having seven sides
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for heptagon
Online Etymology Dictionary, © 2010 Douglas Harper
- A polygon having seven sides.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.