Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.


A polygon with four sides and four angles; a quadrilateral.

[Late Latin tetragōnum, from Greek tetragōnon, square, from neuter of Greek tetragōnos, having four angles : tetra-, tetra- + -gōnos, angled; see -gon.]

te·trag′o·nal (tĕ-trăg′ə-nəl) adj.
te·trag′o·nal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Mathematics) a less common name for quadrilateral2
[C17: from Greek tetragōnon; see tetra-, -gon]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈtɛ trəˌgɒn)

a polygon having four angles or sides; a quadrangle or quadrilateral.
[1620–30; < Greek tetrágōnon]
te•trag′o•nal (-ˈtræg ə nl) adj.
te•trag′o•nal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tetragon - a four-sided polygontetragon - a four-sided polygon      
polygon, polygonal shape - a closed plane figure bounded by straight sides
parallelogram - a quadrilateral whose opposite sides are both parallel and equal in length
trapezium - a quadrilateral with no parallel sides
trapezoid - a quadrilateral with two parallel sides
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[ˈtetrəgən] Ntetrágono m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
References in periodicals archive ?
* Tetragon Financial Group (OTC: TGONF) shares hit $12.40 on Wednesday morning, setting a new 52-week high for a change of up 0.4%.
The big black beast (Black Sapphire) I was driving came with individual ivory white merino leather seats and an aluminium tetragon trim - a kind of white carbon fibre look outlined in polished chrome.
Tetragon's (AMS:TFG) board of directors has approved a dividend of USD0.1850 per share for the second quarter of 2019, the company reported on Wednesday.
And while my wife was revelling in the opulent, spacious interior featuring a cocktail of Ivory White Merino leather, contemporary Aluminium Tetragon trim detailing and optional Sky Lounge panoramic glass sunroof, I was marvelling at the powerplant.
Tetragon Financial Group Limited has announced the closing of the merger of its GreenOak Real Estate joint venture with Bentall Kennedy, Sun Life Financial Inc.'s North American real estate and property management firm, the company said.
The trim finishers can be specified in High-gloss Black (BMW Z4 sDrive20i) or Aluminum Tetragon (BMW Z4 M40i).
Differentiating the two variants' center console are the high-gloss black (BMW Z4 sDrive20i) and Aluminium Tetragon (BMW Z4 M40i).
The M Sport touches throughout include M sports steering wheel, individual headliner in anthracite, M-specific pedals, driver's footrest and piping on the sumptuous electrically operated seats, plus exclusive interior trim in BMW's classy aluminium tetragon finish.
(the issuer) and TCI-Flatiron CLO 2017-1 LLC (the co-issuer) comprise an arbitrage cash flow collateralized loan obligation (CLO) that will be managed by NYL Investors LLC, as sub-advisor to the collateral manager, TCI Capital Management II LLC (a subsidiary of Tetragon Financial Group Limited and an affiliate of LCM Asset Management LLC).
The first Baku fortress, built on a high hill in the first half of the XII century during the reign of Manuchehr III (1120-1160), had a tower type citadel inside of approximately 20 m height, but outside it had the shape of a tetragon [2, p.