| Noun | 1. | cryptograph - a secret method of writing code - a coding system used for transmitting messages requiring brevity or secrecy |
| 2. | cryptograph - a piece of writing in code or cipherpiece of writing, written material, writing - the work of a writer; anything expressed in letters of the alphabet (especially when considered from the point of view of style and effect); "the writing in her novels is excellent"; "that editorial was a fine piece of writing" | |
| 3. | cryptograph - a device for deciphering codes and ciphers device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water" |