olemus
liik puutetundlikke sisendseadmeid
Wiktionary:
(computing) a flat surface which is sensitive to touch, used mostly in laptop computers to control an on-screen cursor

näiteid
https://duckduckgo.com/?q=touchpad&t=h_&iax=images&ia=images

ülevaateid
https://en.wikipedia.org/wiki/Touchpad