'Sforzando' definitions:

Definition of 'sforzando'

From: WordNet
noun
An accented chord
noun
(music) a notation written above a note and indicating that it is to be played with a strong initial attack

Definition of 'Sforzando'

From: GCIDE
  • Sforzando \Sfor*zan"do\, Sforzato \Sfor*za"to\, a. [It. sforzando, p. pr., and sforzato, p. p. of sforzare to force.] (Mus.) Forcing or forced; -- a direction placed over a note, to signify that it must be executed with peculiar emphasis and force; -- marked fz (an abbreviation of forzando), sf, sfz, or ?. [1913 Webster]