Trill – two adjacent notes that are played rapidly one after another a few times

(Pronounced tril)

To remember what trill means, use the following mnemonic:

The trilby (trill) went back and forth between the two notes a few times rapidly. They each wanted to wear the hat.

A trill is used in music as an ornament, adding an interesting sound to a possibly straight forward passage of music.

Example of trill in a sentence

I played a trill on the piano. 

The trill in the soundtrack built suspense. 

A trill must be played quickly.