līnĕāris

I. of or belonging to lines, consisting of lines, linear: pictura, Plin. 35, 3, 5, § 16: ratio, Quint. 1, 10, 36: probatio, id. 1, 10, 49.—Adv.: līnĕārĭter, by lines, Boëth. Inst. Music. 3, 9 init.