quadrivium noun. 
[kwɒ'drɪvɪǝm] E19.[Latin = place where four ways meet, formed as QUADRI- + via way: see -IUM.]In the Middle Ages, the higher division of a course of study of seven sciences, comprising arithmetic, geometry, astronomy, and music. Cf. 
ART noun1 4, 
TRIVIUM. 
 [TahlilGaran] English Dictionary ▲