IPA: /pəˈlɪfəni/
KK: /pɑˈlɪfəni/
A type of music that has two or more different melodies played or sung at the same time.
The choir performed a beautiful piece of polyphony that filled the church with rich harmonies.
Polyphony → It is formed from "poly-" (meaning many) and "phone" (from Greek "phōnē", meaning voice or sound). The word "polyphony" refers to the combination of many voices or sounds in music.
Think of 'many' ('poly-') voices or sounds ('phone') coming together in harmony — that's what polyphony means.