I.up hill, mounting upwards, ascending, steep: stadium, Lucil. ap. Non. 4, 11: “ea viae pars valde acclivis est,” Cic. Q. Fr. 3, 1, 2, § 4; so, “leniter acclivis aditus,” Caes. B. G. 2, 29 al.: acclivus, Ov. M. 2, 19.
ac-clīvis , e, also (but much less freq.) -vus , a, um, adj. ad + clivus,