(written as LAN Server)a trade name for a network operating system for the PC developed by IBM
- noun a computer which runs a network operating system and controls the basic network operations. All the workstations in a LAN are connected to the central network server and users log onto the network server.
- Within a LAN, a computer whose hardware and/or software resources are shared by other computers. Such servers, among other functions, control access and manage network resources. There are various types of LAN servers, including file servers, mail servers, application servers, and print servers.