līnĕāris, e (or līnĭāris), adj. [id.], of or belonging to lines, consisting of lines, linear:
the art of drawing with lines, without colors, Plin. 35, 3, 5, 16:
the science of lines, geometry, Quint. 1, 10, 36:
a proving by means of lines, a mathematical demonstration, id. 1, 10, 49.—Adv.: līnĕārĭter, by lines, Boëth. Inst. Music. 3, 9 init.