Definition from Wiktionary, the free dictionary
appoggiatura (plural appoggiaturas)
- A type of musical ornament, falling on the beat, which often creates a suspension and subtracts for itself half the time value of the principal note which follows.
- "The following Adagietto was like a long, melting appoggiatura composed of smaller dying falls and languid resolutions." — New York Times, March 2, 1992