1. a person who writes in cipher or encodes messages
Usage: often historical or literary context
2. a person who performs arithmetic calculations
Usage: archaic or rare

Examples

• The cipherer worked in secret to encode the general's dispatches during the war.
• Medieval cipherers developed complex systems to protect sensitive correspondence.
• She studied the methods of famous cipherers throughout history.
• The spy trained as a cipherer to communicate safely with headquarters.
• Ancient cipherers used substitution techniques to hide their messages.