transitive verb. To put (a message, for example) into cipher.

To put into cipher. Also spelled encypher.

verb. To convert plain text into cipher; to encrypt

verb. convert ordinary language into code

"Someone who wanted to be especially devious could encipher a banal plaintext with the actually significant information embedded in the structure of the key."

decipher  

encipherment  

encode  

enciphered  enciphering  enciphers