DICT.TW Dictionary Taiwan

 Qua·ver, v. i. [imp. & p. p. Quavered p. pr. & vb. n. Quavering.]
 1. To tremble; to vibrate; to shake.
 2. 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