tremolo
/ˈtrɛməloʊ/; also /trɛˈmoʊloʊ/ or /trɛˈmoʊloʊ/ for a more Italianate pronunciation
Definitions
1. noun
A rapid, repeated variation in pitch, especially in music, created by a singer or a musician.
“The violinist’s virtuoso performance featured an impressive tremolo.”
2. noun
A control on a musical instrument, especially a guitar or piano, that produces a rapid, repeated variation in pitch when operated.
“The guitarist’s hands moved swiftly over the tremolo to create a dramatic sound.”
3. verb
To sing or play with a rapid, repeated variation in pitch.
“The singer tremoloed the high notes to create a haunting melody.”