Noun
carrus (plural carri)
(uncommon, historical) A load: various English units of weight or volume based upon standardized cartloads of certain commodities.
The origin may be from the Italian word "carne" (meat) or "carrus" (car). Source: Internet
Of the cars, the most popular was the carrus ("car"), a standard chariot form descending to the Romans from a greater antiquity. Source: Internet
Their transportation service was the cursus clabularis, after the standard wagon, called a carrus clabularius, clabularis, clavularis, or clabulare. Source: Internet