cadenza

from WordNet (r) 3.0 (2006)

cadenza
    n 1: a brilliant solo passage occurring near the end of a piece
         of music

from The Collaborative International Dictionary of English v.0.48

Cadenza \Ca*den"za\, n. [It.] (Mus.)
   A parenthetic flourish or flight of ornament in the course of
   a piece, commonly just before the final cadence.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

31 Moby Thesaurus words for "cadenza":
      acciaccatura, appoggiatura, arabesque, cadence, coloratura,
      division, embellishment, extempore, fioritura, flight, flourish,
      grace, grace note, hot lick, impromptu, improvisation, incidental,
      incidental note, interpolation, lick, long mordent, mordent,
      ornament, passage, pralltriller, riff, roulade, run,
      single mordent, turn, vamp

[email protected]