Meaning

• Informal conversation.

• A conversation to stop an argument or settle situations.

• (totum pro parte, typically with definite article) The entirety of users in a chatroom or a single member thereof.

  "The Chat just made a joke about my skills."

• An exchange of text or voice messages in real time through a computer network, resembling a face-to-face conversation.

• Any of various small Old World passerine birds in the muscicapid tribe Saxicolini or subfamily Saxicolinae that feed on insects.

• Any of several small Australian honeyeaters in the genus Epthianura.

Meaning

• To be engaged in informal conversation.

  "I like to chat over a coffee with a friend."

• To talk more than a few words.

  "I met my old friend in the street, so we chatted for a while."

• To talk of; to discuss.

  "They chatted politics for a while."

• To exchange text or voice messages in real time through a computer network, as if having a face-to-face conversation.

  "Do you want to chat online later?"