Lewis Short
(adj.adj.) : collīnus, a, um, adj.collis
* Of or pertaining to a hill, found or growing on a hill, hilly, hill- (class.).
* In gen.: genus agrorum (opp. to campestre and montanum),Varr. R. R. 1, 6, 2: vineae,id. ib. 1, 6, 5; Col. 12, 21, 1: loca,id. 3, 2, 6: aqua,id. 1, 5, 3: vina,id. 12, 21, 4: frumentum,Cels. 2, 18.
* Esp.: Collīnus, a, um, adj., pertaining to the hills in the northeastern part of Rome (the Quirinal and Viminal), Colline: regio urbis Collina,Varr. L. L. 5, § 45: tribus,id. ib. 5, § 56; Cic. Mil. 9, 25; Plin. 18, 3, 3, § 13.—Hence, Porta Collina, the gate in Rome near the Quirinal Hill (called also Agonensis and Quirinalis Porta; cf. Paul. ex Fest. p. 10; Fest. p. 332 Müll.), Cic. Leg. 2, 23, 58; Liv. 5, 41, 4; 8, 15, 8; 22, 57, 2; 26, 10, 3; 40, 34, 4; Ov. F. 4, 871; id. R. Am. 549: herbae,growing in the vicinity of this gate,Prop. 4 (5), 5, 11. cf. turris,Juv. 6, 291.
Charlton T. Lewis, Charles Short, A Latin Dictionary