chat a friendly informal conversation; informal talking. The countable use of chat is especially British English: I just called in for a chat about the kids.

chat · ​. [intransitive] to talk in a friendly, informal way to somebody. I'm sorry I can't stop to chat. · ​. [intransitive] to exchange messages with somebody ...

to talk in a friendly, informal way to someone. chat (to/with somebody) My kids spend hours chatting on the phone to their friends.

chat a friendly, informal conversation; informal talking:Could I have a quick chat with you? gossip talk about other people and their private lives, that ...

to say or talk about (something trivial or frivolous), to prattle about (obsolete). Later: to talk in an informal or friendly way about (something).

What does the noun chat mean? There is one meaning in OED's entry for the noun chat. See 'Meaning & use' for definition, usage, and quotation evidence.

an area on the internet where people can communicate with each other, usually about one particular topic

​a live exchange of messages using the internet. In a web chat with fans, the singer revealed that her new album would be called 'Lemonade'.

noun /ˈtʃɪt tʃæt/ /ˈtʃɪt tʃæt/ [uncountable] (informal) conversation about things that are not important.

noun [uncountable] (informal) conversation about things that are not important. synonym chat. We spent the afternoon in idle chit-chat.