3. (Mus.) Consisting of several tone series, or melodic parts,
progressing simultaneously according to the laws of counterpoint;
contrapuntal; as, a polyphonic composition; -- opposed to homophonic,
or monodic.
Po*lyph"o*nism (?), n. Polyphony.
Po*lyph"o*nist (?), n. 1. A proficient in the art of multiplying
sounds; a ventriloquist.