τρίγωνον

trigōnon
Greek · noun
Edited by: Thomas Peeters , Michael Zellmann-Rohrer
Last edited: 2025-07-14
Meanings
Literal translation
triangle
Categories
geometrical shape
astrological concept
constellation
Related Lemmata 9 ›

1. triangle

1.a triangle geometrical shape, astrological concept

Ἥλιος, Ἑρμῆς Ταύρῳ, Σελήνη Ὑδροχόῳ, Κρόνος, Ἀφροδίτη Κριῷ, Ζεὺς Παρθένῳ, Ἄρης Ἰχθύσιν, ὡροσκόπος Λέοντι. τὸν μὲν οὖν Ἥλιον εὕρομεν τριγώνῳ Ἀφροδίτης καὶ Σελήνης, τὴν δὲ Ἀφροδίτην ἐν ἀποκλίματι

‘Sun, Mercury in Taurus, Moon in Aquarius, Saturn, Venus in Aries, Jupiter in Virgo, Mars in Pisces, Ascendant in Leo. We found the Sun in the triangle of Venus and the Moon, and Venus in a falling place’

— Vettius Valens 2.22.17–18

Genre: horoscope

(GH L 83)

Κατὰ τρίγωνον δέ ἐστι Κριὸς Λέων Τοξότης, Ταῦρος Παρθένος Αἰγόκερως, Δίδυμοι Ζυγὸς Ὑδροχόος, Καρκίνος Σκορπίος Ἰχθύες, τὰ πάντα τρίγωνα ἰσόπλευρα δʹ· ὑποτείνει δὲ ἡ τοῦ τριγώνου πλευρὰ ὑπὸ ζῴδια μὲν δʹ, μοίρας δὲ ρκʹ.

‘“In trine” are Aries - Leo - Sagittarius, Taurus - Virgo - Capricorn, Gemini - Libra - Aquarius, Cancer - Scorpio - Pisces, all 4 equilateral triangles; the side of the triangle subtends 4 zodiac signs, or 120 degrees.’

— Geminus 2.7

Genre: astronomy Date: 1st century BCE

Geminus. 1975. Géminos, Introduction aux Phénomènes, ed. G. Aujac. Paris: Les Belles Lettres. 10

2. Triangulum

2.a Triangulum constellation

οἱ δὲ ἐν τῷ Τριγώνῳ τῷ περὶ τὸν Κριὸν Ἑρμῇ.

‘And the stars in Triangulum around Aries, to Hermes.’

— Hephaestion 1.4

Genre: astrological treatise Date: 5th century CE

Cite this entry
APA (7th)
Peeters, T., & Zellmann-Rohrer, M. (2025). τρίγωνον (Lemma #559). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/559/
Chicago (Author-Date)
Peeters, T., & Zellmann-Rohrer, M. (2025). τρίγωνον (Lemma #559). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/559/
MLA (9th)
Peeters, T., & Zellmann-Rohrer, M. (2025). τρίγωνον (Lemma #559). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/559/
Harvard
Peeters, T. and Zellmann-Rohrer, M. (2025) τρίγωνον (Lemma #559), The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. Available at: https://zodiacglossary.github.io/lemma/559/ (Accessed: July 4, 2026).
BibTeX 
@misc{zodiac559,
	note = {[Online; accessed 2026-07-04]},
	author = {Peeters, Thomas and Zellmann-Rohrer, Michael},
	year = {2025},
	title = {τρίγωνον ({Lemma} #559)},
	url = {https://zodiacglossary.github.io/lemma/559/},
	howpublished = {https://zodiacglossary.github.io/lemma/559/},
}