follow Dictionary.com

11 Trending Words of 2014

octagon

[ok-tuh-gon, -guh n] /ˈɒk təˌgɒn, -gən/
noun
1.
a polygon having eight angles and eight sides.
Also called octangle.
Origin
1650-1660
1650-60; < Latin octagōnon < Greek oktágōnon, noun use of neuter of oktágōnos octangular; see octa-, -gon
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for octagon
  • People waited for a chance to enter the octagon and pose with a championship belt slung over their shoulder.
  • The first stop is at a chapel-size octagon of screens.
  • It starts as a square inside another square, then an octagon, then a circle.
  • The fort was three-eights of an octagon at the top of a cliff.
British Dictionary definitions for octagon

octagon

/ˈɒktəɡən/
noun
1.
a polygon having eight sides
Word Origin
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
Cite This Source
Word Origin and History for octagon
n.

1650s, from Latin octagonos, from Greek oktagononos, literally "eight-angled," from okta- comb. form of okto "eight" (see eight) + gonia "angle," related to gony "knee" (see knee (n.)). Also octogon (1650s), from French octogone.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
octagon in Science
octagon
  (ŏk'tə-gŏn')   
A polygon having eight sides.

octagonal adjective (ŏk-tāg'ə-nəl)
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
octagon in Culture

octagon definition


A polygon having eight sides.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for octagon

Some English speakers likely know this word

Word Value for octagon

10
13
Scrabble Words With Friends

Nearby words for octagon