"arithmetic, music, geometry, astronomy," 1804 (see liberal arts), from Latin quadrivium, which meant "place where four roads meet, crossroads," from quadri- "four" (see quadri-) + via "way, road, channel, course" (see via). The adjective quadrivial is attested from late 15c. in English with the sense "having four roads."
实用例句
1. The trivium consisted of grammar, logic and rhetoric, the quadrivium of arithmetic, geometry, astronomy and music.
