from
The Collaborative International Dictionary of English v.0.48
Decipher \De*ci"pher\, v. t. [imp. & p. p. {Deciphered}; p. pr.
& vb. n. {Deciphering}.] [Pref. de- + cipher. Formed in
imitation of F. d['e]chiffrer. See {Cipher}.]
1. To translate from secret characters or ciphers into
intelligible terms; as, to decipher a letter written in
secret characters.
[1913 Webster]
2. To find out, so as to be able to make known the meaning
of; to make out or read, as words badly written or partly
obliterated; to detect; to reveal; to unfold.
[1913 Webster]
3. To stamp; to detect; to discover. [R.]
[1913 Webster]
You are both deciphered, . . .
For villains. --Shak.
[1913 Webster]