From The Collaborative International Dictionary of English v.0.48 :
Cryptograph \Cryp"to*graph\ (-gr?f), n. [Gr. krypto`s hidden +
-graph: cf. F. cryptographe.]
Cipher; something written in cipher. "Decipherers of
cryptograph." --J. Earle.
[1913 Webster]
From WordNet (r) 3.0 (2006) :
cryptograph
n 1: a secret method of writing [syn: cipher, cypher,
cryptograph, secret code]
2: a piece of writing in code or cipher [syn: cryptogram,
cryptograph, secret writing]
3: a device for deciphering codes and ciphers