līnĕālis, e, adj. [linea],
consisting of lines, made with lines, lineal (post-class.): ambitus lineales, Amm. 22, 16, 7.—Hence, adv.: līnĕālĭter , in the manner of lines, by means of lines : quos (circulos) linealiter feci, Mart. Cap. 8, § 834.