trigon

¹

[trahy-gon]

noun

1. a triangle.

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

3. Astrology Archaic.

   1. trine.

   2. triplicity.

trigon.

²

abbreviation

1. trigonometric.

2. trigonometrical.

3. trigonometry.

trigon

/ ˈtraɪɡɒn /

noun

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

2. an archaic word for triangle

Word History and Origins

Origin of trigon¹

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

Word History and Origins

Origin of trigon¹

C17: via Latin from Greek trigōnon triangle. See _tri- , _-gon

Example Sentences

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

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Thus, when the three superior planets met in Aries, Leo, or Sagittarius, they formed a fiery trigon; when in Cancer, Scorpio, and Pisces, a watery one.

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In Figure 74 is a trigon, the angles at its centre being 120, and the angle at the circumference being 60, as marked.

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

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Of nouns in on, derived from Greek, the greater part always form the plural regularly; as, etymons, gnomons, ichneumons, myrmidons, phlegmons, trigons, tetragons, pentagons, hexagons, heptagons, octagons, enneagons, decagons, hendecagons, dodecagons, polygons.

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