'Melisma' definitions:

Definition of 'Melisma'

From: GCIDE

Melisma \Me*lis"ma\, n.; pl. Melismata. [NL., fr. Gr. me`lisma a song.] (Mus.) (a) A piece of melody; a song or tune, -- as opposed to recitative or musical declamation. (b) A grace or embellishment. [1913 Webster]