Discant

from WordNet (r) 3.0 (2006)
discant
    n 1: a decorative musical accompaniment (often improvised) added
         above a basic melody [syn: {descant}, {discant}]
from The Collaborative International Dictionary of English v.0.48
Discant \Dis"cant\, n.
   See {Descant}, n.
   [1913 Webster]
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