timesharing

/T AY1 M SH EH1 R IH0 NG/
noun
  1. 1

    The joint ownership or lease of a property by multiple people who can only use it for specified periods every year, or every other year.

  2. 2

    A technique that allows many users to use a central computer simultaneously through remote terminals.

Source: https://en.wiktionary.org/wiki/time-sharing, https://en.wiktionary.org/wiki/timesharing