Multi-touch™
noun /ˈmʌlti tʌtʃ/
  /ˈmʌlti tʌtʃ/,  /ˈmʌltaɪ tʌtʃ/
[uncountable]- a range of functions that enables you to give instructions on a touch screen, keyboard, etc. by touching different areas or keys at the same time- a Multi-touch screen/display/keyboard
- Multi-touch capability/technology