Word
decoder, n.
(decoders)
a machine that converts a coded text into ordinary language
<noun.artifact>
decoder
semantic pointers
hypernym
machine
the kind of intellectual who converts messages from a code to plain text
<noun.person>
decipherer
decoder
lexical pointers
derivationally related form
decipher
semantic pointers
hypernym
intellectual, intellect
hyponym
cryptanalyst, cryptographer, cryptologist