Talk, especially meaningless or unimportant talk.

The sound of talking.

The sound made by a magpie.

An intermittent noise, as from vibration.

In national security, the degree of communication between suspect groups and individuals, used to gauge the degree of expected terrorist activity.

To talk idly.

Of teeth, machinery, etc, to make a noise by rapid collisions.

To utter sounds which somewhat resemble language, but are inarticulate and indistinct.

One who chats

A user of chat rooms