canceler

/K AE1 N S AH0 L ER0/
noun
  1. 1

    A cancellation (US); (nonstandard in some kinds of English).

  2. 2

    An enclosure; a boundary; a limit.

  3. 3

    The suppression on striking out of matter in type, or of a printed page or pages.

  4. 4

    The page thus suppressed.

  5. 5

    The page that replaces it.

Source: https://en.wiktionary.org/wiki/cancel, https://en.wiktionary.org/wiki/canceler