| Noun | 1. | LAN - a local computer network for communication between computers; especially a network connecting computers and word processors and other electronic office equipment to create a communication system between officesbusbar, bus - an electrical conductor that makes a common connection between several circuits; "the busbar in this computer can transmit data either way between any two components of the system" computer network - (computer science) a network of computers ethernet - a type of network technology for local area networks; coaxial cable carries radio frequency signals between computers at a rate of 10 megabits per second WiFi, wireless fidelity, wireless local area network, WLAN - a local area network that uses high frequency radio signals to transmit and receive data over distances of a few hundred feet; uses ethernet protocol |