| triangle abbr. | |
| gen. | Dreieck; Dreikant; Triangel; Trigon |
| amer. | GeodreieckR; Geometrie-Dreieck |
| cultur. commun. | Zeichendreieck |
| fig. | Dreiecksbeziehung |
| tech. | Triangel |
| transp. | Dreieckslenker |
|
Codman : 5 phrases in 2 subjects |
| Medical | 4 |
| Medical appliances | 1 |