quadriga definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
quadriga definition by American Heritage Dictionary
noun pl. quad·ri·gae
A two-wheeled chariot drawn by four horses abreast.
Origin: Latin quadrīga, sing. of quadrīgae, team of four horses, contraction of quadriiugae, feminine pl. of quadriiugus, of a team of four : quadri-, quadri- + iugum, yoke; see jugum.