quadrigatus
[ kwod-ri-gey-tuh s ]
/ ˌkwɒd rɪˈgeɪ təs /
noun, plural quad·ri·ga·ti [kwod-ri-gey-tahy] /ˌkwɒd rɪˈgeɪ taɪ/.
a silver coin of ancient Rome, bearing an image of Jupiter in a quadriga on the reverse.