1. The art or practice of writing words with the proper letters, according to standard usage; conventionally correct spelling; also, mode of spelling; as, his orthography is vicious.
When spelling no longer follows the pronunciation, but is hardened into orthography. --Earle.
2. The part of grammar which treats of the letters, and of the art of spelling words correctly.
3. A drawing in correct projection, especially an elevation or a vertical section.
n : a method of representing the sounds of a language by written
or printed symbols [syn: writing system]