Emily Dickinson Lexicon

CHAT, v.i. [G. kosen, to talk, or prattle; Ir. ceadach, talkative; ceadac, a story or narrative; Sp. cotorra, a magpie; cotorrera, a hen-parrot, a talkative woman; Gr. κωτιλλω, to prate; D. koeteren, to jabber, and kwetteren, to chatter; kouten, id.]

1. To talk in a familiar manner; to talk without form or ceremony. – Milton. Dryden.
2. To talk idly; to prate. – Johnson.