n. a vocal melody or instrumental passage in a smooth, lyrical style
the GNU version of the Collaborative International Dictionary of English
n. See cantabile.
The Century Dictionary and Cyclopedia
n. In medieval music: A singing exercise or solfeggio.
n. A cantus firmus, or melody for church use.
n. In modern music, a ballad or light popular song.
Word Usage
"The beautiful deep-toned, love-laden cantilena, which is profusely and exquisitely ornamented in Chopin's characteristic style, is interrupted by a very impressive recitative of some length, after which the cantilena is heard again."