society > education > learning > study > subject or object of study > [noun] > a department of study > arts > trivium (7)
= trivium, n. 1 (in quot. 1475 transferred). Obsolete. rare.
plural. The three subjects of study constituting the trivium, n. Now historical.
In the Middle Ages, the lower division of the seven liberal arts, comprising grammar, rhetoric, and logic. (Cf. quadrivium, n.)