Source : WordNet®

solfeggio
     n 1: singing using solfa syllables to denote the notes of the
          scale of C major [syn: {solmization}, {solfege}]
     2: a voice exercise; singing scales or runs to the same
        syllable [syn: {solfege}]
     [also: {solfeggi} (pl)]

solfeggi
     See {solfeggio}