triangle

• Figure géométrique plane à trois côtés et trois angles, ainsi que tout objet ou zone ayant cette forme.

A geometric shape with three sides and three angles, or any object or area having this shape.

1. Geometric shapeA1formal

   A polygon with three sides and three angles.

   Triangle (figure géométrique)

   • The children learned to draw a triangle in math class.
   • A triangle has three corners and three straight sides.
   • The roof of the house is shaped like a triangle.

   Synonymestrigontrilateral

2. Musical instrumentA2formal

   A percussion instrument made of a metal rod bent into a triangle shape, played by striking with a metal beater.

   triangle (instrument de musique)

   • The musician played the triangle during the orchestra performance.
   • She struck the triangle with a small metal rod.
   • The triangle produces a clear, ringing sound.

3. Relationship situationB2informal

   A situation involving three people, often in a romantic or emotional context.

   triangle amoureux

   • They were caught in a love triangle.
   • The drama series revolves around a complicated triangle of relationships.
   • He tried to avoid being part of the office triangle.