QUA'VER,

1. To shake the voice to utter or form sound with rapid vibrations, as in singing to sing with tremulous modulations of voice.
2. To tremble to vibrate.

The finger - moved with a quavering motion.

QUA'VER, n.

1. A shake or rapid vibration of the voice, or a shake on an instrument of music.
2. A note and measure of time in music, equal to half a crotchet or the eighth of a semibreve.