The Jargon File (version 4.4.7, 29 Dec 2003):

cooked mode
 n.

    [Unix, by opposition from raw mode] The normal character-input mode, with
    interrupts enabled and with erase, kill and other special-character
    interpretations performed directly by the tty driver. Oppose raw mode, 
    rare mode. This term is techspeak under Unix but jargon elsewhere; other
    operating systems often have similar mode distinctions, and the raw/rare/
    cooked way of describing them has spread widely along with the C language
    and other Unix exports. Most generally, cooked mode may refer to any mode
    of a system that does extensive preprocessing before presenting data to a
    program.


The Free On-line Dictionary of Computing (30 December 2018):

cooked mode

   The normalUnix character-input mode, with interrupts enabled
   and with erase, kill and other special-character
   interpretations performed directly by the tty driver.
   Opposite of raw mode.  See also rare mode.  Other
   operating systems often have similar mode distinctions, and
   the raw/rare/cooked way of describing them has spread widely
   along with the C language and other Unix exports.  Most
   generally, "cooked mode" may refer to any mode of a system
   that does extensive preprocessing before presenting data to a
   program.

   [Jargon File]