Trio
Dreigespann stands for
- Dreispänner , team of three horses (or other draft animals) next to each other
- Triga , ancient Roman triad with three draft horses side by side
- Troika , Russian kind of triple, three horses side by side
- Random (wagon) , team of three horses in a row
- Unicorn (wagon) , team of two horses side by side and a third horse further forward in the middle
- a group of three people or institutions working closely together, see Troika (top management) or Troika (EU policy)