If she be right invoked in warbled song.
Milton.
Warbling sweet the nuptial lay.
Trumbull.
3. To cause to quaver or vibrate. "And touch the warbled string."
Milton.
War"ble, v. i. 1. To be quavered or modulated; to be uttered
melodiously.
Such strains ne'er warble in the linnet's throat.
Gay.
3. To sing in a trilling manner, or with many turns and variations.
"Birds on the branches warbling." Milton.