trill

TRILL, n. A quaver; a shake of the voice in singing, or of the sound of an instrument. [See Shake.]

TRILL, v.t. To utter with a quavering or tremulousness of voice; to shake.

The sober-suited songstress trills her lay.

TRILL, v.i. To flow in a small stream, or in drops rapidly succeeding each other; to trickle.

And now and then an ample tear trill'd down

Her delicate cheek.

1. To shake or quaver; to play in tremulous vibrations of sound.

To judge of trilling notes and tripping feet.