vt to utter with quavers.
2. quaver ·noun an eighth note. ·see eighth.
3. quaver ·noun a shake, or rapid and tremulous vibration, of the voice, or of an instrument of music.
4. quaver ·vi to tremble; to vibrate; to shake.
5. quaver ·vi especially, to shake the voice; to utter or form sound with rapid or tremulous vibrations, as in singing; also, to trill on a musical instrument.