windowing

/W IH1 N D OW0 IH0 NG/
verb
  1. 1

    To furnish with windows.

  2. 2

    To place at or in a window.

noun
  1. 1

    The windows of a building; fenestration.

  2. 2

    The use of a graphical user interface divided into windows.

    โ€œNeWS was an early windowing system.โ€

Source: https://en.wiktionary.org/wiki/window, https://en.wiktionary.org/wiki/windowing