triller
nounEtymology From trill + -er.
1
A small passerine bird of the genus Lalage belonging to the cuckooshrike family Campephagidae, so called because of the loud trilling calls of the male birds.
2
One who or that which trills.
3
A musical ornament consisting of a rapid alternation between two adjacent notes.
- When the left hand is the triller, it might seem more difficult to stabilize with the right, which is mostly off the flute.2010, Michel Debost, The Simple Flute: From A-Z, page 255: