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octagon - 6 dictionary results

oc⋅ta⋅gon

  [ok-tuh-gon, -guhn]
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–noun
a polygon having eight angles and eight sides.
Also called octangle.

Origin:
1650–60; < L octagōnon < Gk oktágōnon, n. use of neut. of oktágōnos octangular; see octa-, -gon
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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oc·ta·gon   (ŏk'tə-gŏn')   


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n.  A polygon with eight sides and eight angles.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Octagon

Oc"ta*gon\, n. [Gr. ? eight-cornered; ? (for ? eight) + ? an angle: cf.F. cctogone.]

1. (Geom.) A plane figure of eight sides and eight angles.

2. Any structure (as a fortification) or place with eight sides or angles.

Regular octagon, one in which the sides are all equal, and the angles also are all equal.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Language Translation for : octagon
Spanish: octágono,
German: das Achteck,
Japanese: ８角形
More Translations »

octagon

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.
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octagon 
1656, from L. octagonos, from Gk. oktagononos, lit. "eight-angled," from okta- comb. form of okto "eight" (see eight) + gonia "angle," related to gony "knee" (see knee). The adjective octagonal is attested from 1571.
Online Etymology Dictionary, © 2001 Douglas Harper
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octagon   (ŏk'tə-gŏn')  Pronunciation Key 
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.
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