War″ble, v. t. [imp. & p. p.Warbled (?); p. pr. & vb. n.Warbling (?).] [OE. werbelen, OF. werbler; of Teutonic origin; cf. G. wirbeln to turn, to warble, D. wervelen, akin to E. whirl. See Whirl.]
1. To sing in a trilling, quavering, or vibratory manner; to modulate with turns or variations; to trill; as, certain birds are remarkable for warbling their songs.
2. To utter musically; to modulate; to carol.
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.