Definition from Wiktionary, the free dictionary
multiphonic (not comparable)
- (music) Having the character of multiphonics: sounding two or more pitches at the same time
2009, January 22, “Nate Chinen”, in A Single Jazz Band, by Way of Two Trios:
- He prefaced his next song with a row of hard, multiphonic squawks, sounding like a truck horn.