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• trigon
  trigon

  noun

  a triangle.
• trigon.
  trigon.

  abbreviation

  trigonometric.

trigon

¹ American  

[trahy-gon] / ˈtraɪ gɒn /

noun

1. a triangle.

2. an ancient Greek stringed instrument with a triangular shape.

3. Astrology Archaic.

   1. trine.

   2. triplicity.

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trigon. ² American  

abbreviation

1. trigonometric.

2. trigonometrical.

3. trigonometry.

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trigon British  

/ ˈtraɪɡɒn /

noun

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

2. an archaic word for triangle

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Etymology

Origin of trigon

1555–65; < Latin trigōnum triangle < Greek trígōnon, noun use of neuter of trígōnos three-angled. See tri-, -gon

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Example Sentences

See Examples For:

trigon

The trigon, America’s beloved name for a three-sided shape.

From Slate ● Feb. 22, 2025

The first English writers, when they punctuated at all, availed themselves of long-forgotten symbols like the diastole and trigon, the interpunct and the diple.

From Economist ● Mar. 10, 2016

Trig′onal, triangular in cross-section: three-angled, esp. in botany; Trigon′ic, pertaining to a trigon; Trig′onous, three-angled.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

The fourth conjunction in this trigon took place in 1663, in Sagittarius, again opposite to the ascendant of London.

From The Mysteries of All Nations Rise and Progress of Superstition, Laws Against and Trials of Witches, Ancient and Modern Delusions Together With Strange Customs, Fables, and Tales by James Grant

Thus we speak of a pentagon but not of a tetragon or a trigon, although both words are correct in form.

From The Teaching of Geometry by David Eugene Smith

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