Host
1. Alternatively referred to as a node, a host is one or more networked computers that have been setup to handle each of the users who are visiting it or requesting information from it. A host is often responsible for many different responsibilities, for example a host may be responsible for handling each of the computer game players in an online game or for sending users a web page on the Internet. Each computer connected to the host computer is known as a client.
2. Linux command, see the host command page for further information about this command.
Also see: Client, Host priority, Hostname, Network definitions, Node address, Server, Vhost, Web host