Trĭfŏlīnus, a, um, adj., of or belonging to Mount Trifolium near Naples (which abounded in grape-vines): ager, Juv. 9, 56: vina, Plin. 14, 6, 8, § 69; Mart. 13, 114, 1; Cael. Aur. Acut. 2, 37, 212.