Definitions for "Sostenuto"
Sustained; -- applied to a movement or passage the sounds of which are to sustained to the utmost of the nominal value of the time; also, to a passage the tones of which are to be somewhat prolonged or protacted.
(Ital.) : Sustained, as in Andante sostenuto. Often a slower-than-usual tempo is implied. The right pedal on a piano is the sostenuto pedal, allowing the strings to vibrate until the pedal is released and lowers the dampers.
(Italian), "sustained." Andante sostenuto: moderately slow [and] sustained. Abbr.: sost.
Keywords:  sustainedly, ''it