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" ethernet - a type of networking technology for local area networks; coaxial cable carries radio frequency signals between computers at a rate of 10 megabits per second |