The connection of different physical networks into a large, virtual network. The Internet refers to the TCP/IP-based Internet that connects many commercial sites, government agencies, and universities.
A network of devices (typically computers) that utilize the Internet Protocol (IP) to communicate with each other. Hosts communicate globally on an internetwork. An internetwork conceptually resides on top of physical networks such as Ethernet.
A collection of networks (that may be dissimilar in type) interconnected by routers, gateways, or other devices, so that they can function as a single, large network. Sometimes called an internet, which is not the same as the Internet (the World Wide Web). See also Internet Network Router WWW
An organized collection of local area network and wide area network links throughout an enterprise. The internetwork provides an information "spinal cord" for the transmission of data between all types of corporate computers and their software applications-database, financial, word, processing, engineering, order processing, electronic mail and others.