LIPOGRAM

Lip″o‐gram (lĭp″ō̍‐grăm; 277), n. [[Gr. λείπειν, λιπει̑ν, to leave, omit + -gram.]] A writing composed of words not having a certain letter or letters; — as in the Odyssey of Tryphiodorus there was no A in the first book, no B in the second, and so on.