From The Collaborative International Dictionary of English v.0.48:
Tattle \Tat"tle\, v. i. [imp. & p. p. Tattled; p. pr. & vb. n.
Tattling.] [Akin to OE. tateren, LG. tateln, D. tateren to
stammer, and perhaps to E. titter.]
1. To prate; to talk idly; to use many words with little
meaning; to chat.
[1913 Webster]
The tattling quality of age, which is always
narrative. --Dryden.
[1913 Webster]
2. To tell tales; to communicate secrets; to be a talebearer;
as, a tattling girl.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Tattle \Tat"tle\, n.
Idle talk or chat; trifling talk; prate.
[1913 Webster]
[They] told the tattle of the day. --Swift.
[1913 Webster]