музыкальный треугольник(The triangle is an idiophone type of musical instrument in the percussion family. It is a bar of metal, usually steel but sometimes other metals like beryllium copper, bent into a triangle shape. КГА)
Трайбека(сокращение от Triangle Below Canal, престижный район Манхэттена. // Yeah I'm out that Brooklyn. Now I'm down in Tribeca. Right next to De Niro. But I'll be hood forever // Empire State of Mind by Jay-Z Игорь Миголатьев)