DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   WLAN
       n 1: 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 [syn: wireless local
    area network, WLAN, wireless fidelity, WiFi]