Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A polygon with eight sides and eight angles.
Century Dictionary and Cyclopedia
- n. In geometry, a figure of eight angles and eight sides. When the sides and angles are equal, it is a regular octagon.
- n. In fortification, a work with eight bastions.
- n. A gold coin of octagonal shape, of the value of 50 dollars, issued in 1851 by the United States assay-office in San Francisco.
Wiktionary
- n. geometry A polygon with eight sides and eight angles.
- n. martial arts, usually capitalized The arena for mixed martial arts, particularly as trademarked by the UFC.
GNU Webster's 1913
- n. (Geom.) A plane figure of eight sides and eight angles.
- n. Any structure (as a fortification) or place with eight sides or angles.
WordNet 3.0
- n. an eight-sided polygon
Examples
“The octagon was a room perhaps one hundred feet across and thirty feet high.”
“The octagon is an eight-sided figure, the intervening shape between the circle and the square.”
“The reason why it was called by this name was, that the principal sitting-room in the house was built in the form of an octagon, that is, instead of having four sides, as a room usually has, this room had eight sides.”
“Fergusson has pointed out that the roof of the octagon is the only Gothic dome in existence.”
“Brendhan pointed out a majority of the talent at 205 lbs. resides within the UFC, but there's one man who doesn't call the octagon his home and that man is”
“Watching he and Coleman sloshing around the octagon is a joke.”
“These are placed at the intersection of a system of semicircles, of which the sixteen columns on the sides of the octagon are the centres.”
“The fad for building 8 sided houses was the result of a book entitled The octagon House, A Home For All, written by a phrenologist named Orson Fowler in 1852.”
“This "octagon" house in Washington was occupied by President Madison while the White”
“Colorado in 1993, when boxers, wrestlers and ju-jitsu champions held free-for-all scraps in the '' octagon '', a caged, eight-sided ring.”
Lists
These user-created lists contain the word ‘octagon’.
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shapes
words for shape
( randomness, visual. descriptive )triangular, conical, round, broad, congruous, hexagonal, globular, curved, oval, rectangular, parallel, crumpled and 142 more...
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big book gre
abase, abbess, abbey, abbot, abdicate, abdomen, abdominal, abduction, abed, aberration, abet, abeyance and 6689 more...
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Just 'cause I like 'em, O
opacity, opaline, olfactory, orthoepy, orthoepy, oleaginous, obloquy, oasitic, obtrude, orthotic, overweening, ostinato and 125 more...
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The Legend of Zelda
dungeon, ocarina, rupee, triforce, ganon, link, ganondorf, impa, hyrule, majora, mask, temple and 194 more...
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Words of the Day
glabella, chirotony, nook-shotten, crapehanger, filemot, swirlie, egosurf, lexiphanicism, Ruritanian, stichometry, chrononaut, faldstool and 1999 more...
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junestag's Words
postmodernism, cat, fish, rabbit, dell, coffee, elearning, mazda, php, mysql, flash, blogger and 755 more...
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SomeOldDoor's list
Lovely words.
clover, cedar, bromide, glyph, belfry, glance, vehemently, well, flourish, plaintive, clarion, element and 169 more...
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Words Covered in Faery Dust (O)
words that evoke magic, mystery, mayhem, magnificence or anything else that glimmers in the grass
oak, oblivion, octagon, october, ode, ogre, omen, op art, opaline, open sesame, ophiomancy, opium and 29 more...
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Artists
cage, atmosphere, grieves, passionate, joker, incubus, modest, mouse, bright, eyes, sadistic, necro and 41 more...
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Maths
addition, brackets, coefficient, cone, denominator, graph, mensuration, meridian, octagon, pentad, power, rate and 21 more...
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7th Grade Pre-Algebra
a collection of words we study in pre-algebra
segment, algebra, point, line, ray, geometry, oxygon, scalene, obtuse, similar, congruent, probability and 22 more...
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hilart's list
oodle, tat, crock, poious, collateral, mush, tryst, shit, crass, sassy, sucks, bored and 20 more...
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geometry
catenary, angle, ray, segment, sector, circle, chord, diameter, radius, area, perimeter, volume and 49 more...
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Eight Is Enough
octothorpe, octosyllable, octostyle, octostichous, octospermous, octoroon, octoradiated, octopus, octopodia, octopi, octopetalous, octopede and 10 more...
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Words
malpitte, marshmellow, beneuk, doohickey, cara mia, fluke, blot, philosoraptor, kiki kannibal, duplo, whambulance, henchmen and 62 more...
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The Kindest Cut
Gem cuts, old and new.
round brilliant, oval, emerald, cushion, square, princess, cabochon, pear, marquise, trilliant, heart, buff top and 49 more...
Tweets
Looking for tweets for octagon.

mmaaatttt can't forget doctor octagon Dec 9, 2008