(1) (LAN Emulation Client) A software driver that provides LAN emulation (LANE) in an ATM network. It resides in an ATM end station or in a computer system that provides the LAN to ATM conversion, often known as a LAN access device. See LANE.
Local Exchange Carrier. A company providing local telephone service. The incumbent LEC (ILEC) is the local telephony company (telco) in place prior to competition, which introduced one or more competitive LECs (CLECs). See also carrier.