cryptograph

Noun
  1. A secret method of writing (synset 106366714)
    is a type of: code - a coding system used for transmitting messages requiring brevity or secrecy
    same as: cipher, cypher, secret code
  2. A piece of writing in code or cipher (synset 106366590)
    is a type of: piece of writing, writing, written material - the work of a writer; anything expressed in letters of the alphabet (especially when considered from the point of view of style and effect)
    same as: cryptogram, secret writing
  3. A device for deciphering codes and ciphers (synset 103147230)
    is a type of: device - an instrumentality invented for a particular purpose

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