Capable of being read or pronounced in more than one way: said of a written character.Consisting of or having many voices or sounds.In music: Noting a method of composition or a work in which two or more voice-parts are simultaneously combined without losing their independent character, but with harmonious effect; contrapuntal: opposed on one side to monodic, monophonic, and homophonic, and on another to harmonic: as, a fugue is a polyphonic form of compositionNoting an instrument which is capable of producing more than one tone at a time, as an organ or a harp. Also polyphonous.