Part of speech: noun
Origin: Arabic, 14th century
A secret or disguised way of writing; a code.
Examples of Cipher in a sentence
"The twins developed their own cipher, a secret code for keeping notes hidden from their parents."
"Her wedding registry was filled with household items marked with their new cipher. "
Popularity Over Time
"Cipher is a flexible noun that can refer to many things: A numeric or text character, a mark of interweaving characters (a monogram), a method of concealing text, a cryptography system, a secret message, a feature on a musical organ, even a hip-hop jam session."
Did you Know?
The Arabic word “ṣifr” means zero, or empty. Today you’re more likely to decipher a complex cipher with many letters and numbers, but there’s still a place for a few zeros. The groups of three zeros in extremely large numbers are called ciphers. Earn a billion dollars and you’ll have three ciphers in your account balance.