DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   clue
       n 1: a slight indication [syn: hint, clue]
       2: evidence that helps to solve a problem [syn: clue, clew,
          cue]
       v 1: roll into a ball [syn: clue, clew]