n. (pl. -ies) 1 a correct or conventional spelling. b spelling with reference to its correctness (dreadful orthography). c the study or science of spelling. 2 a perspective projection used in maps and elevations in which the projection lines are parallel. b a map etc. so projected. orthographer n. orthographic adj. orthographical adj. orthographically adv.
[ ME f. OF ortografie f. L orthographia f. Gk orthographia (as ORTHO-, -GRAPHY) ]