Tattle, v. i. [imp. & p. p. Tattled; p. pr. & vb. n. Tattling.]
Etymology: [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. The tattling quality of age, which is always narrative. Dryden.
2. To tell tales; to communicate secrets; to be a talebearer; as, a tattling girl.
1 other Webster entry under this spelling
Tattle, n.
Idle talk or chat; trifling talk; prate. [They] told the tattle of the day. Swift.
Shades of meaning
Fernald has no entry of its own for tattle; he lists it under babble.
He lists it without comment; the entries above explain its neighbors.