The three " liberal" arts, grammar, logic, and rhetoric; -- being a triple way, as it were, to eloquence.
The three anterior ambulacra of echinoderms, collectively.
Grammer, rhetoric and logic, the literary components of the seven liberal arts; the other four subjects were called the quadrivium. (Lynch, Joseph H. The Medieval Church: A Brief History, 365)
The three roads of learning; grammar, rethoric and logic which form the lower division of liberal arts.
(from Latin, trivium, a place where three ways [roads] meet). The three philosophic or linguistic studies of grammar, rhetoric, and logic (including dialectic). Together with the quadrivium (geometry, arithmetic, astronomy, and music), these studies made up the seven liberal arts of education in medieval times (Angeles, 1992, 316).
the Three Ways (Grammar, Rhetoric, Logic) studied in medieval times by undergraduates for the Bachelor of Arts degree. Hence the pejorative term trivial - elementary, of interest only to mere undergraduates.
A major premise of classical education is that students are best taught in accordance with their developmental age. Trivium, meaning "three roads", refers specifically to the Grammar Phase (grades 1-4), the Logic Phase (grades 5-8), and the Rhetoric Phase (grades 9-12).
In medieval universities, the trivium comprised the three subjects taught first: grammar, logic, and rhetoric.