Source : Webster's Revised Unabridged Dictionary (1913)

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.

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

Twattle \Twat"tle\, n.
   Act of prating; idle talk; twaddle.