'Sostenuto' definitions:

Definition of 'Sostenuto'

From: GCIDE
  • Sostenuto \Sos`te*nu"to\, a. [It.] (Mus.) 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. [1913 Webster]