ciphering

/S AY1 F ER0 IH0 NG/
verb
  1. 1

    To calculate.

    โ€œI never learned much more than how to read and cipher.โ€

  2. 2

    To write in code or cipher.

  3. 3

    Of an organ pipe: to sound independent of the organ.

  4. 4

    To decipher.

noun
  1. 1

    A calculation or computation.

  2. 2

    A cipher (fault in an organ valve which causes a pipe to sound continuously without the key having been pressed).

Source: https://en.wiktionary.org/wiki/cipher, https://en.wiktionary.org/wiki/ciphering