[f. TWITTER v.1 + -ING1.] The action of TWITTER v.1
1. Light tremulous chirping of a bird or birds; a sound resembling or likened to this.
1781. Cowper, Conversation, 448. Will the sweet warbler of the livelong night Forget his harmony, with rapture heard, To learn the twittering of a meaner bird?
1824. Lamb, Elia, Ser. II. Captain Jackson (1833), 87. Chords responsive to the twitterings of that slender image of a voice.
1877. Baring-Gould, Myst. Suffering, 87. The twanging of fiddles and twittering of flutes.
1877. Black, Green Past., ii. The twittering of the young starlings in their nests.
2. Trembling; tremulous excitement; † eager desire or longing, hankering (obs.).
1668. Sedley, Mulberry Gard., V. i. Though you had a twittering to Althea, you will make neer the worse husband to Victoria.
1692. LEstrange, Fables, I. cccxxxii. 289. A Widow that had a Twittering toward a second Husband.