catflap.org Online Dictionary Query

  local area network
     n.
     1 (lb en computing) An interconnection of computers that are in
  relatively close proximity to each other, such as within a building.
     2 (lb en computing) A network on which all device communicate using
  OSI model device layer addressing.
     3 (lb en Internet) A network on which all communication is delivered
  by way of MAC addresses and that is not route.