Orthographia, æ, f. g. Quint. The right forme of writing: orthographie: also a plat of a building drawne out with the figure of the whole worke.
Lewis and Short: Latin dictionary
orthōgrăphĭa, ae, f., = o)rqografi/a. I.Orthography (post-Aug.): orthographia, id est formula ratioque scribendi a grammaticis instituta, Suet. Aug. 88; id. Gram. 19; Quint. 1, 4, 17; 1, 7, 11.—II. In architecture, an elevation, front view of a building, Vitr. 1, 2.