1. 
2. 
[syn: polyphonic, contrapuntal]
The Collaborative International Dictionary of English v.0.48:
Contrapuntal \Con`tra*pun"tal\, a. [It. contrappunto
   counterpoint. See Counterpoint.] (Mus.)
   Pertaining to, or according to the rules of, counterpoint.
   [1913 Webster]
WordNet (r) 3.0 (2006):
contrapuntal
    adj 1: relating to or characteristic of or according to the
           rules of counterpoint; "contrapuntal base"
    2: having two or more independent but harmonically related
       melodic parts sounding together [syn: polyphonic,
       contrapuntal] [ant: monophonic]