CRYPTOGRAPH
cryptograph
(noun) a device for deciphering codes and ciphers
cryptogram, cryptograph, secret writing
(noun) a piece of writing in code or cipher
cipher, cypher, cryptograph, secret code
(noun) a secret method of writing
Source: WordNet® 3.1
Etymology
Noun
cryptograph (plural cryptographs)
A cipher or cryptogram.
• J. Earle
A device used for encrypting or decrypting text.
Verb
cryptograph (third-person singular simple present cryptographs, present participle cryptographing, simple past and past participle cryptographed)
(rare) To write text using a code or cipher.
Source: Wiktionary
Cryp"to*graph (-grf), n. Etym: [Gr. krypto`s hidden + -graph: cf. F.
cryptographe.]
Definition: Cipher; something written in cipher. "Decipherers of
cryptograph." J. Earle.
Source: Webster’s Unabridged Dictionary 1913 Edition