trigon

• Nom désignant un polygone à trois côtés, ou en astrologie un groupe de trois signes du zodiaque séparés par 120 degrés, ou une lyre triangulaire de la Grèce et de la Rome antiques.

A noun referring to a three-sided polygon, or in astrology, a group of three zodiac signs separated by 120 degrees, or a triangular lyre from ancient Greece and Rome.

1. Three-sided polygonB2formal

   A geometric shape with three sides and three angles; a triangle.

   trigon (triangle)

   • The trigon is the simplest polygon in geometry.
   • Students learned to calculate the area of a trigon.
   • The ancient Greeks studied the properties of the trigon extensively.

   Synonymestriangletrilateral

2. Astrological groupingC1formal

   In astrology, one of four groups of three zodiac signs that are 120 degrees apart, believed to share certain characteristics.

   Trigone astrologique

   • Fire signs form one trigon in the zodiac.
   • Astrologers often analyze the trigon of water signs.
   • The trigon of earth signs is associated with practicality.

   Synonymeselementtriplicity

3. Ancient musical instrumentC2formal

   A triangular lyre used in ancient Greece and Rome, often associated with religious or festive music.

   trigon (lyre antique)

   • The trigon was played during ceremonies in ancient Rome.
   • Depictions of the trigon appear on Greek pottery.
   • Musicians in antiquity favored the trigon for its bright sound.