Orthography meaning : The study of correct spelling according to established usage. The aspect of language study concerned with letters and their sequences in words. Orthographic projection; especially its use to draw an elevation, vertical projection etc. of a building. The act, practice, ability, or subject of forming words with letters, or of reading the letters of words; orthography. The manner of spelling of words; correct spelling. A specific spelling of a word. A spelling test or spelling bee.