noun.
A type of word puzzle in which text encoded by a simple cipher is to be decoded.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a piece of writing in code or cipher
Word Usage
"The slave hunters in fact belonged to the dregs of society, and we shall not be far wrong in assuming that the man with the cryptogram was a fitting comrade for his fellow “capitaes do mato.”"