quadriga
noun
qua·dri·ga kwä-ˈdrē-gə 
plural quadrigae kwä-ˈdrē-ˌgī
: a chariot drawn by four horses abreast
Example Sentences
Recent Examples on the Web Featuring a quadriga chariot seen from the front, the private work adds a possible female owner interacting with the outside-right horse. 
E. A. Carmean, WSJ, 20 Sep. 2017
E. A. Carmean, WSJ, 20 Sep. 2017 Word History
Etymology
Latin, singular of quadrigae team of four, contraction of quadrijugae, feminine plural of quadrijugus yoked four abreast, from quadri- + jungere to yoke, join — more at yoke
First Known Use
circa 1741, in the meaning defined above