[ok-tuh-gon, -guh n]
- a polygon having eight angles and eight sides.
Origin of octagon
Also called octangle.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for octagon
Octagon is primarily known for its sports clients like Michael Phelps and Justin Tuck.The Man Behind Piers Morgan
December 12, 2010
It was in the shape of an octagon, and the turns were considered very safe.Tom Swift and his Electric Runabout
In the application of the dome to the octagon no pendentives are employed.Byzantine Churches in Constantinople
Alexander Van Millingen
The plan of the Octagon included in its area one bay on each of its four sides.
The stone-work of the Octagon must be completed by the restoration of the pinnacles and parapet.
The fourth large window in the Octagon has been filled with painted glass.
less commonly octangle
- a polygon having eight sides
C17: via Latin from Greek oktagōnos, having eight angles
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 octagon
Online Etymology Dictionary, © 2010 Douglas Harper
- A polygon having eight sides.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A polygon having eight sides.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.