a. [f. ACCLIVIT-Y + -OUS; cf. calamity, calamit-ous. See -ITOUS, -OUS.] Of the nature of, or characterized by an acclivity; having an upward slope.
1815. Paulson, in Hendersons Iceland, 203. We continued our route up the S.E. side of the Yökul, where it was least acclivitous.
1879. Contemp. Rev., 507. Herds of agile creatures abounding in the acclivitous glades of the woods.