It was a type of Roman chariot, widely used in competitions. The name is obviously Latin, for a reduction of quadrijugus, to, um ("yoke for four animals"), because it was for only four horses. See charioteer, biga, triga.
CHARIOT: In surgery, bandage that was used in the ribs, sternum and clavicle fractures, and formed a kind of armor.
CHARIOT: Ancient Roman chariot drawn by four horses online.
cuadriga:e the union of a couple of animals to work and till the soil, or to pull trucks.