POLYPHONY
polyphony, polyphonic music, concerted music
(noun) music arranged in parts for several voices or instruments
Source: WordNet® 3.1
Etymology
Noun
polyphony (countable and uncountable, plural polyphonies)
(music) Musical texture consisting of several independent melodic voices, as opposed to music with just one voice (monophony) or music with one dominant melodic voice accompanied by chords (homophony).
The quality of a text of being capable of being read in more than one way.
Source: Wiktionary
Po*lyph"o*ny, n. Etym: [Gr.
1. Multiplicity of sounds, as in the reverberations of an echo.
2. Plurality of sounds and articulations expressed by the same vocal
sign.
3. (Mus.)
Definition: Composition in mutually related, equally important parts which
share the melody among them; contrapuntal composition; -- opposed to
homophony, in which the melody is given to one part only, the others
filling out the harmony. See Counterpoint.
Source: Webster’s Unabridged Dictionary 1913 Edition