chatroom

noun Digital Technology.

a branch of a computer network or a software application in which participants can engage in real-time discussions about a specific topic with one another (group chat).See also chat(def 4).

noun

a site on the internet, or another computer network, where users have group discussions by electronic mail, typically about one subject

A service provided by certain ISPs that allows a group of people to communicate with each other by typing at their keyboards.