CYPHER meaning: Secret code for encrypting messages

We found 28 dictionaries that define the word Cypher:

General (23 matching dictionaries)

cypher: Merriam-Webster
cypher: Oxford Learner's Dictionaries
cypher: American Heritage Dictionary of the English Language
cypher: Collins English Dictionary
cypher: Vocabulary.com
Cypher, cypher: Wordnik
cypher: Cambridge Advanced Learner's Dictionary
Cypher, cypher: Wiktionary
cypher: Webster's New World College Dictionary, 4th Ed.
cypher: Infoplease Dictionary
Cypher, cypher: Dictionary.com
Cypher (DC Comics), Cypher (Marvel Comics), Cypher (Quake player), Cypher (The Matrix), Cypher (band), Cypher (comics), Cypher (film), Cypher (query language), Cypher (video game), Cypher (video game player), Cypher, The Cypher (video game): Wikipedia, the Free Encyclopedia
Cypher: Online Plain Text English Dictionary
cypher: Webster's Revised Unabridged, 1913 Edition
cypher: Rhymezone
Cypher: AllWords.com Multi-Lingual Dictionary
cypher: Webster's 1828 Dictionary
cypher: FreeDictionary.org
cypher: Mnemonic Dictionary
cypher: TheFreeDictionary.com
cypher: Longman Dictionary of Contemporary English

Business (2 matching dictionaries)

cypher: Legal dictionary
BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

cypher: Encyclopedia

Slang (2 matching dictionaries)

cypher: Green’s Dictionary of Slang
Cypher: Urban Dictionary

(Note: See cyphering as well.)

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Definitions from Wiktionary (Cypher)

▸ noun:  A surname from German.
▸ noun:  Alternative spelling of cipher [A numeric character.]
▸ verb:  Alternative spelling of cipher [(intransitive, regional, dated) To calculate.]

Similar:

encrypt, encipher, cipher, encode, code, cryptograph, zero, zip, 0, figure, more...

Opposite:

cipher, naught, zero, nought, naughtiness

Types:

code, coding, encryption, secret code, secret language, more...

Phrases:

Julie Cypher, Jon Cypher, Royal cypher, Sikorsky Cypher, Phi Life Cypher, more...

Adjectives:

mere, royal, secret, same, crowned, literal, private, special, numerical, simple, political

Colors:

black, silver, gray, neon green, electric blue, more...