Chat (?), v. i. [imp. & p. p.Chatted; p. pr. & vb. n.Chatting.] [From Chatter. √22.] To talk in a light and familiar manner; to converse without form or ceremony; to gossip. Shak.
To chat a while on their adventures.
Dryden.
Syn. — To talk; chatter; gossip; converse.