(historical)a medieval university course involving the ‘mathematical arts’ of arithmetic, geometry, astronomy, and music (史)(中世纪大学里开设的)四艺(包括算术、几何、天文、音乐)。 比较 trivium
语源
Latin, literally the place where four roads meet' (in late Latin 'the four branches of mathematics'), from quadri- 'four' + via 'road'