The Collaborative International Dictionary of English v.0.48:

Twattle \Twat"tle\, v. i. [Cf. Tattle, Twaddle.]
   To prate; to talk much and idly; to gabble; to chatter; to
   twaddle; as, a twattling gossip. --L'Estrange.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Twattle \Twat"tle\, v. t.
   To make much of, as a domestic animal; to pet. [Prov. Eng.]
   --Grose.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Twattle \Twat"tle\, n.
   Act of prating; idle talk; twaddle.
   [1913 Webster]