IPA: /ˌmʌltiˈfʌŋkʃən/
KK: /mʌltiˈfʌŋkʃən/
Having the ability to perform several different tasks or functions.
The multifunction printer can print, scan, and copy documents all in one device.
Multifunction → It is formed from "multi-" (meaning many) and "function" (from Latin "functio", meaning performance or execution). The word "multifunction" refers to something that has many functions or performs multiple tasks.
Think of 'many' ('multi-') tasks being performed ('function') — that's what multifunction means.