Quaver

Webster's Dictionary of the English Language

·vt To utter with quavers.

II. Quaver ·noun An eighth note. ·see Eighth.

III. Quaver ·noun A shake, or rapid and tremulous vibration, of the voice, or of an instrument of music.

IV. Quaver ·vi To Tremble; to Vibrate; to Shake.

V. 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.