trigon

tri·gon

 (trī′gŏn′)

n.

1. A triangular lyre or harp of Roman and Greek antiquity.

2. See triplicity.

3. Archaic A triangle.

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[Latin trigōnum, from Greek trigōnon, from neuter of trigōnos, triangular : tri-, tri- + gōniā, angle; see -gon.]

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.

trigon

(ˈtraɪɡɒn)

n

1. (Historical Terms) (in classical Greece or Rome) a triangular harp or lyre

2. (Mathematics) an archaic word for triangle

[C17: via Latin from Greek trigōnon triangle. See tri-, -gon]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

tri•gon

(ˈtraɪ gɒn)

n.

a triangle.

[1555–65; < Latin trigōnum triangle < Greek trígōnon]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Thesaurus

Noun	1.	trigon - a three-sided polygon     triangle, trilateral polygon, polygonal shape - a closed plane figure bounded by straight sides acute triangle, acute-angled triangle - a triangle whose interior angles are all acute equiangular triangle, equilateral triangle - a three-sided regular polygon isosceles triangle - a triangle with two equal sides oblique triangle - a triangle that contains no right angle obtuse triangle, obtuse-angled triangle - a triangle that contains an obtuse interior angle right triangle, right-angled triangle - a triangle with one right angle scalene triangle - a triangle with no two sides of equal length cuneus, wedge, wedge shape - any shape that is triangular in cross section
	2.	trigon - (astrology) one of four groups of the zodiac where each group consists of three signs separated from each other by 120 degrees triplicity astrology, star divination - a pseudoscience claiming divination by the positions of the planets and sun and moon triad, triple, triplet, trio - a set of three similar things considered as a unit
	3.	trigon - a triangular lyre of ancient Greece and Rome lyre - a harp used by ancient Greeks for accompaniment

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.