DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   wan
       adj 1: (of light) lacking in intensity or brightness; dim or
              feeble; "the pale light of a half moon"; "a pale sun";
              "the late afternoon light coming through the el tracks
              fell in pale oblongs on the street"; "a pallid sky"; "the
              pale (or wan) stars"; "the wan light of dawn" [syn:
              pale, pallid, wan, sick]
       2: abnormally deficient in color as suggesting physical or
          emotional distress; "the pallid face of the invalid"; "her
          wan face suddenly flushed" [syn: pale, pallid, wan]
       3: lacking vitality as from weariness or illness or unhappiness;
          "a wan smile"
       n 1: a computer network that spans a wider area than does a
            local area network [syn: wide area network, WAN]
       v 1: become pale and sickly