trĭvĭus, a, um (gen. fem. Triviaï, Lucr. 1, 84), adj. [trivium], an epithet of those deities whose temples were often erected where three ways met: DI, Inscr. Grut. 84, 5; 1015, 1: virgo, i. e. Diana or Hecate, Lucr. 1, 84; also called: Trivia dea, Prop. 2, 32 (3, 30), 10.
More freq. absol.: Trĭ-vĭa, ae, f., Diana, Enn. ap. Varr. L. L. 7, § 16 Müll. (Trag. v. 318 Vahl.); Cat. 34, 15; 66, 5; Tib. 1, 5, 16; Verg. A. 6, 35; Ov. F. 1, 389; id. M. 2, 416 al.
Hence, Lăcus Trĭvĭae (the Lake of Diana), a lake in Latium, near Aricia, now Lago di Nemi, Verg. A. 7, 516; Stat. S. 3, 1, 56.