acciaccatura

< /-ˈtʊər eɪ, -ˈtʊər i; Italian -ˈtu rɛ/. Music.

1. a short grace note one half step below, and struck at the same time as, a principal note.

noun plural -ras or -re (-reɪ, -riː)

1. a small grace note melodically adjacent to a principal note and played simultaneously with or immediately before it
2. (in modern music) a very short appoggiatura