quadrivium
- n (Middle Ages) a higher division of the curriculum in a medieval university involving arithmetic and music and geometry and astronomy
- In simpler times, it was all included in the medieval universities' quadrivium (arithmetic, geometry, astronomy, music) and trivium (grammar, rhetoric, logic).
- This modern liberal arts version of the trivium and quadrivium includes no such novelties as psychology (except what can be learned in the works of Freud and William James) and no .