Emily Dickinson Lexicon

GAB'BLE, v.i. [D. gabberen, to prate; Sax. gabban, to jeer or deride; Fr. gaber, id.; Eng. to gibe; Sw. gabberi, derision; It. gabbare, to deceive; gabbo, a jeering. These may all be from one root. See Class Gb, No. 7.]

1. To prate; to talk fast, or to talk without meaning. Such a rout, and such a rabble, / Run to hear Jack Pudding gabble. – Swift.
2. To utter inarticulate sounds with rapidity; as, gabbling fowls. – Dryden.