cypher
noun
Definitions
A numeric character.
Any text character.
A combination or interweaving of letters, as the initials of a name; a device; a monogram.
Example: a painter's cipher, an engraver's cipher, etc.
A method of transforming a text in order to conceal its meaning.
Example: The message was written in a simple cipher. Anyone could figure it out.
verb
Definitions
To calculate.
Example: I never learned much more than how to read and cipher.
To write in code or cipher.
Of an organ pipe: to sound independent of the organ.
To decipher.